Liquid Tight Conduit Fill Chart

• Material: Liquid or solid; automatically adjusts echo processing with one entry. International Flexible Metallic Tubing is a raceway for electric conductors that is circular in cross section, flexible, metallic and Liquid-Tight without a nonmetallic jacket. Metallic Liquidtight Conduit; Conduit Liquid-Tight 1/2_EF/LT_GRAY Next Previous. I Conduit rhaU oe Anaconda Seadte. WARNING Liquid-tight cables or flexible conduit and fittings must be used to maintain Type 4 rating (Figures 7 and 8). 2 universal tank shape programming methods. GND - Ground Fittings. Allied Tube & Conduit offers a complete line of rigid PVC. See NEC's NFPA 70 Informative Annex C Conduit and Tubing FillTables for Conductors and Fixture Wires ofthe Same Size for more information. ACC - Accessories. Water Tight Hubs. Line disconnect switch not fur- nished. 1(A)—Compact conductors in electrical metallic. You will need to determine the correct size conduit based on the number of wires you will be pulling through (see the chart in Electrical Conduit for guidelines). To make sure we get your request or information to the right person, please include the nature of your issue or concern. For information on the following types of conduit, see these tables in appendix C of the 1996 NEC. (gravity) It must be liquid tight in/out of the JB. Learn faster with spaced repetition. The NEC index cross-references "conduit fill" as conductor fill. Every day, in the little ways and the big ones, our lives depend on clear, consistent, reliable communication. ***Covid-19 Discounted Product*** PVC/Nylon/PVC, Control, Unshielded, 600V, UL Type TC-ER Cut to length - sold by the foot. The National Association of Electrical Distributors (NAED) is the voice of. 3mm) and the maximum is 0. Change Location. Liquid tight fill chart vatan vtngcf org liquidtight flexible nonmetallic conduit fill chart zenam vtngcf org annex c conduit and tubing fill tables for conductors fixture annex c conduit and tubing fill tables for conductors fixture. 6(1) MAXIMUM NUMBER OF CONDUCTORS IN ELECTRICAL METALLIC TUBING (EMT) a. Special Notes: Remember 40% fill allowed in a conduit with more than two conductors in a raceway. Informational Note: See Table 1 in Chapter 9, including Note 9, for allowable cable fill in circular raceways. marked with the maximum number and maximum size of. Fittings shall be steel liquid tight grounding type from the same manufacturer as the conduit. Various types of flexible conduit, metal as well as PVC, some liquid-tight, permit installation in difficult settings or to control vibration as in the electrical supply to a motor. « Back to Products. They are attached to threaded rigid or IMC conduits when a change of direction is required. Tank enclosed by 6" of liquid tight, vapor tight concrete. Flexible conduit is great when you’re in a space that has tight bends or requires movement. Color: Black Applications: In free air, raceways or direct burial. Alflex ® Type RWA Reduced Wall Aluminum Flexible Metal Conduit. Conduit shall be Anaconda SEALTITE (R) Type NWC. Heyco® Stamped Steel and Zinc Die-cast Locknuts NPT Thread Heyco® Nickel-Plated Brass. Whats people lookup in this blog: Flexible Conduit Fill Table; Flex Conduit Fill Table; Flexible Metallic Conduit Fill Table; Nec Conduit Fill Table Flexible Metal. 30 (B)(2) Rigid metal electrical conduit to 1/2-3/4" or 12. I have never actually done it. Home Resources Calculators Conduit Fill Calculator. DCT - Air Conditioner. • Expansion unions compensate for expansion and contraction of conduit. Customers who viewed this item also viewed. This conduit fill table is used to determine how many wires can be safely put into non-PVC conduit tubing or pipe. Short runs (6' or less) of galvanized steel or liquid tight steel flexible conduit (flexible steel tubing covered with extruded liquid-tight jacket of polyvinyl chloride) may be used when approved by the Engineer. #N#EMT 2-Piece Connector. 75 Craftsman Book Company 6058 Corte del Cedro, Carlsbad, CA 92011 ® Turn your estimate into a bid. Concrete-Tight. ConstructionContractWriter. 046-inches and outside diameter of 1. Nuclear Wiring Conduit Liquid-Tight Flexible Metal Conduit. Safety Switches & Disconnects Conduit & Fittings Conduit Fittings Conduit Mounting Supply Toilet Parts Anti-Sweat Valve Ballcocks Fill Liquid Tight Fitting. Trade sizes from 3/8” to 4” (12mm to 100mm). 5 of the NEC as an "Other Approved Raceway". Failure to turn off power and disconnect all cables can result in serious injury or death from electrocution. Lengths in use are limited to 6 feet. Turn your bid into a contract. The most common fill capacity is the 40% capacity that applies to the allowable conduit fill when more than two wires are in a conduit. Three Piece Couplings. conduits, fill is required to be limited to 40 percent of the cross-section of the. Line disconnect switch not fur- nished. 2 industrial hazardous locations. 12(A)—Compact conductors in Type EB, PVC conduit Notes to Tables, Note 1—Conductors all the Same Size cent fill as listed in Chapter 9, Table 1. ConstructionContractWriter. Can 1 use 3/4 or 1″ liquid tight flex? This electrical wiring question came from: Frank, a Contractor from New Jersey. International Flexible Metallic Tubing is a raceway for electric conductors that is circular in cross section, flexible, metallic and Liquid-Tight without a nonmetallic jacket. A 3/4-inch conduit can hold sixteen 12-gauge wires or twenty-two 14-gauge wires. LIQUID-TUFF™ Liquidtight ULTRAFLEX™ MECHANICAL PROTECTION TUBING has a circular cross section with a smooth polyvinyl chloride (PVC) inner surface and. Conduit Cap and Insulating Bushing with Flange and Coupler Use on conduit for low voltage cable in horizontal concrete floors and vertical walls. Rigid conduit seems to be recommended over UF cable for underground runs involved in wiring a spa, although I believe UF is still up to code. With straight, 45-degree and 90-degree connectors, transitions, hanger and sealing ring options, Bridgeport has any liquid-tight solution you need. Available in malleable, zinc and steel, with features like captive, deep-slot, tri-drive screws. Some installations, in fact, make it mandatory to use these conduits. Placed at the end of a conveyor belt, they provide an excellent work station for accumulating, sorting, finishing or packing molded parts. Secure cable with conduit or cable gland. Threaded Chase Nipples. There are also many other Lesson Series on PLC Programming and Industrial Automation. Irby is a service and solutions provider in all utility business segments - distribution, transmission, substation, generation and renewable energy. Go to the Control and Power Wiring Lesson series to select your next lesson. 2 industrial hazardous locations per NEC. + Calculate any single motor and get maximum overcurrent, maximum overload, minimum wire. Liquidtight fittings are used to terminate and seal liquidtight flexible metal conduit to an oiltight, raintight or liquidtight box or enclosure. Various types of flexible conduit, metal as well as PVC, some liquid-tight, permit installation in difficult settings or to control vibration as in the electrical supply to a motor. The conduit should terminate in the pull box above the drainage to prevent moisture from entering the conduit. This JavaScript calculator runs in a web page. It offers superior wire protection and maintains internal ID even in tight radius bends. Flexicon Launches New Cable Protection for Hazardous Areas Guide. See NEC's NFPA 70 Informative Annex C Conduit and Tubing FillTables for Conductors and Fixture Wires ofthe Same Size for more information. Flexible plastic conduit is also sold as LFNC, liquid-tight nonmetallic conduit. We are known for our high quality wiring conduits used in applications ranging from machine tools, computer wiring, office furniture, nuclear power plants, mass-transit vehicles, military shielding and industrial construction. 2 Non-metallic Liquid-tight flexible conduit Table 9I - CSA C22. The NEC sets standards for the percent of volume that can safely be put into conduit. Can 1 use 3/4 or 1″ liquid tight flex? This electrical wiring question came from: Frank, a Contractor from New Jersey. The finished Type LFMC dimensions shall be in accordance with Table 5. Fill with 3 to 4 in. We’re Here to Help. The number of cables shall not exceed the allowable percentage fill specified in Table 1, Chapter 9. ***Covid-19 Discounted Product*** PVC/Nylon/PVC, Control, Unshielded, 600V, UL Type TC-ER Cut to length - sold by the foot. Liquid tight flexible conduit is required (about 3-4’), with a ¾” male NPT fitting for connection to the drive motor. Flexible conduit is a protective pipe that allows wire to bypass the obstacles in or above the ground. Liquid Tight Flexible Metal Conduit is also commonly known as LFMC and this is a flexible type of conduit which covers cables and remains flexible while still being waterproof. GND - Ground Fittings. The following is a typical conduit fill chart, which shows data for different types of conduit such as EMT conduit, IMC conduit, and GRC conduit. Raceway seals. 2018 NATIONAL ELECTRICAL ESTIMATOR ® By Mark C. 20 multiplier, to calculate the exact length of change figures in Table 3. Each column (going up and down) is a different gauge of wire. whip in any length, wire gauge size, with your choice of steel or liquid tight conduit with specificity for inside and outside diameters, or unique applications that require motion, vibration, or bending capability. • Wedgenut, and Wedgenut with integral gasket covers available in steel (zinc plated) safety and reliability, and remain the leader in conduit outlet bodies today. (gravity) It must be liquid tight in/out of the JB. Allied Tube & Conduit offers a complete line of rigid PVC. 301 Commerce Ste 2700 Fort Worth, Texas 76102 Fax: 817-215-7001. Product : Galvanised Steel Flexible Conduit Construction : Helically Wound Square lock Flexible Conduit The Conduit Will be Uniform in diameter through our it's length. The below chart is from Table 1 in Chapter 9 of the National Electric Code. Table 9G - CSA C22. Water Tight Hubs. conduit, conduit fittings & raceways romex connecter 3/8" usn: 623505 cust#: min: 0 @ 1 ea max: 0 @ 1 ea location: non-metallic liquid tight conduit 1/2" x 100' usn: 626900 cust#: min: 0 @ 1 ea max: 0 @ 1 ea location: non-metallic liquid tight conduit 3/4" x 100' usn: 626907 cust#: min: 0 @ 1 ea max: 0 @ 1 ea location: copper fittings copper. The NEC sets standards for the percent of volume that can safely be put into conduit. A 1/2-inch conduit can hold as many as nine 12-gauge wires or twelve 14-gauge wires. #N#EMT Compression Connectors. Please fill out our non-stock/special order form and we'll. Rigid PVC Conduit, Schedule 80 Table C9. Liquid Tight Conduit; PVC Conduit, Fittings, Boxes Hue Wellness Table Lamp Philips Lighting. It offers superior wire protection and maintains internal ID even in tight radius bends. Flat Floor Conduit Plug. Rigid PVC Conduit, Schedule 40 Table C10. The document is designed to be a very simple, pictorial representation to help even new apprentices understand the correct and safe manner to install the products shown. • Suitable for use at conduit temperatures of 80°C dry, 60°C wet and 60°C oil resistant as required by section 15-6 of ANSI/NFPA 79-1985 and UL 1660. Installation. HIGH QUALITY CONDUIT. , the percentage wire fill requirements shown in Chapter 9, Table 1 of the NEC apply; for example, 40-percent fill for three. (g) Where installed as conduit or tubing, the cable fill does not exceed the amount that would be permitted for complete conduit or tubing systems by Table 1 of Chapter 9 of this Code and all applicable notes thereto. code description; 06036: electrical accessories: alternators, ammeters, coi: 0603621: breakers, circuit - automotive - brand listed or e: 06037: electrical parts (not. Liquid-tight flexible metallic conduit. Go to the Control and Power Wiring Lesson series to select your next lesson. To see availability for this product, Create an Account. If you’re concerned about dealing with conduit, flexible “liquid-tight” grey pvc tubing is “very” easy to route, but does cost a bit more than standard pvc. Ultratite ® Type NM Flexible Conduit. The reason it is so popular is due to its affordability and flexibility. Anaconda Company including The American Brass Company in 1977. ACC - Accessories. To View Table 348. If you use water-resistant cables to run electrical wire to the pump. Does the CEC permit liquid-tight conduit to be used as a general purpose raceway? Find rule! 12-1302 (3) (b) No 37. Liquid-Tight Flexible Metal Conduit (10) Liquid-tight Flexible Metallic (3) Liquidtight Conduit (1) Liquidtight Flexible (8) Liquidtight Flexible Conduit (7) Liquidtight Flexible Metallic (273) Liquidtight Flexible Nonmetallic (107) Core 316 Stainless Steel (2) Aluminum. Flexible Metal Conduit. Enter the desired footage in the QTY box. 6(1) through E3904. Warning: Use of undefined constant HTTP_USER_AGENT - assumed 'HTTP_USER_AGENT' (this will throw an Error in a future version of PHP) in /www/wwwroot/dm. Liquid tight fill chart vatan vtngcf org liquidtight flexible nonmetallic conduit fill chart zenam vtngcf org annex c conduit and tubing fill tables for conductors fixture annex c conduit and tubing fill tables for conductors fixture. Viking Electric provides electrical solutions for residential and commercial contractors, and industrial markets. The finished Type LFMC dimensions shall be in accordance with Table 5. Use it for power lines into residential homes and industrial buildings, or to protect outdoor. A 3/4-inch conduit can hold sixteen 12-gauge wires or twenty-two 14-gauge wires. I bought a 30 amp breaker for the hot tub. Concrete-Tight. The wire in all conduit out of that box should be wet rated. Flexible metal conduit, liquid-tight flexible metal conduit, and liquid-tight flexible nonmetallic conduit are some wiring methods permitted. Tuthill: Pump Your Heart Into It. products to meet specific. WARNING Liquid-tight cables or flexible conduit and fittings must be used to maintain Type 4 rating (Figures 7 and 8). The electrical components are completely wired with 1050C, 600 V thermoplastic insulated wire with stranded conduc- tors, routed through electrical metallic tubing, and liquid- tight flexible conduit. 5) Slide the pedestal pipe into the coupler and tighten the set screws. Liquid tight fill chart vatan vtngcf org liquidtight flexible nonmetallic conduit fill chart zenam vtngcf org annex c conduit and tubing fill tables for conductors fixture annex c conduit and tubing fill tables for conductors fixture. conduit, to our patented Raintight jacketed metal clad (JMC) cable connectors, to our patented zinc die cast Raintight EMT fittings. Free delivery with $45 order. Rigid Galvanized Steel 45 Degree Conduit Elbow. This conduit fill table is used to determine how many wires can be safely put into non-PVC conduit tubing or pipe. At the same time, keep in mind that pulling wires through a larger conduit than may be necessary will make the job easier. 7) Mount the pump on the coupler and seal threads liquid tight with appropriate thread sealant. Note 3 to Table 1 requires equipment-grounding conductors to be counted when calculating conduit fill. Running cable and conduit through hazardous locations demands products that you can rely on to protect people, property and productivity. Liquid-tight flexible conduit is water resistant and is available without the wires installed and in short lengths (whips) that come prewired. • EYS—for sealing vertical conduit. Threaded Hole Plugs. dimensions of sliders UL Listed flexible metal conduit † Approximate dimension with screw at minimum height. In any room where aesthetics are not an issue, such as an unfinished basement or garage, EMT is a good choice to enclose exposed wiring. Conduit shall provide -2 Aalbie wiring conduit with galvanized steel con and r. Start studying electrical Electrical - Hazardous Locations!. Warning: Use of undefined constant HTTP_USER_AGENT - assumed 'HTTP_USER_AGENT' (this will throw an Error in a future version of PHP) in /www/wwwroot/dm. Using electrical conduit is the required method of protecting electrical wires in exposed situations where NM cable cannot be used. Approved for direct burial, Class I, Div. Be sure to use a conduit fill chart and conduit fill calculator to save time and get the right conduit fill. For more info, please. Low-profile non-metallic, liquid-tight, oil-tight, and gray strain relief cord connector furnished with a sealing ring and locknut. an integral reinforcing member within the conduit wall. Type NWC Datasheet. 138 calculated fill. No problem. 22 Close Table 348. For information on the following types of conduit, see these tables in appendix C of the 1996 NEC. 30 (B)(2) uses a pre-wired liquid tight. Flexible conduit is great when you’re in a space that has tight bends or requires movement. Enter the desired footage in the QTY box. This is covered in Arts 350 and 356 respectively. for use with emt or rigid conduit. Short runs (6' or less) of galvanized steel or liquid tight steel flexible conduit (flexible steel tubing covered with extruded liquid-tight jacket of polyvinyl chloride) may be used when approved by the Engineer. 83 and C22. This type of conduit was designed by Kopex international before the patent expired and it can now be brought from numerous brands. Covered with a liquid-tight plastic, liquid-tight flexible conduit is impervious to water, grease, oil, chemicals, etc. Flexible Liquid Tight Electrical Conduit and Tubing is a light weight & flexible PVC conduit manufactured with a high strength spiral of rigid anti-shock PVC. At the end of its life, the steel may be fully recycled. 80 You Save:. Tuthill: Pump Your Heart Into It. com Conduit Fill Table Pec | Nice Houzz Pvc Conduit Fill Table Cec | Elcho Table. To find out how many cables you can run in a given conduit size, enter your Belden cable part number, or enter the diameter of your cable. Model: SS-* Description: 304 Stainless Steel Liquid Tight Flexible Conduit, utilising the same jacket material as type LT conduit Specifications: Part No Trade Size I. Provides quick and easy results for the conduit fill percent, per NEC® guidelines. Non-metallic liquidtight conduit fittings Features: • Liquidtight, raintight, oiltight for protection and long life in wet, dusty and corrosive environments • Hex shaped gland nut allows for easy wrenching, providing a fast, tight installation • Suitable for wet locations • Reusable, long ferrule prevents pull-out and tight bend conduit. Conduit will double the cost of an electrical installation. 5 for resistance or. Minimum length shall be 18 inches, maximum length per the NEC. Material: Nylon. Their fill capacities are different, even though they may be the same sized conduit. Flexible, Metal Liquid Tight Electrical Conduit (LFMC) and Fittings. Galvanized Threaded Couplings. 10 Do not use flexible conduit as a primary raceway. Liquidtight Flexible Nonmetallic Conduit (Type FNMCB) Table C5 If you have any other questions see the NEC Code Book. Special Enclosure. 2 industrial hazardous locations per NEC. isolate different voltages from each other b. Sensor placed parallel with edge of drive- way Sensor cable inside recom- mended PVC conduit Fence Driveway Minimum 25 feet from end of open gate Open gate Fence. The Type UL Liquidtight Flexible Steel Conduit shall be formed from a zinc coated galvanized low carbon steel strip having a uniform width and thickness. Flexible conduit is great when you’re in a space that has tight bends or requires movement. #N#Combination Threaded Rigid and Set-Screw EMT. 5 synonyms for Liquidambar styraciflua: American sweet gum, bilsted, sweet gum tree, sweet gum, red gum. 22 for 3/8 inch Flexible Metal and Liquidtight Flexible Metal Conduit Open Table 348. where used with listed fittings. Liquidtight NM Straight PVC Conduit Fitting Connector (5-Pack) Model# 58617002. Your source for flexible conduit connectors, 90 degree liquid tight connectors, flexible electrical conduit connectors, and flexible conduit elbows Considered an essential business as defined by the CISA, we continue to fill customer orders in accordance with current rulings. Packaging, Cutting Instructions, Custom Cut Lengths. Set your store to see local. The NEC does not provide a specific fill number, here. Facilitates modifications, permits removal of enclosures without turning or removal of conduit. Diversitech Liquid Tight Straight Connector. The boiling liquid could create a steam pocket which could cause the element(s) to overheat and burn out. See Solutions for Utility. Yes it is listed in T. ) 1 wire 53% (sq. Click here to find this and other useful industry tables and calculators at Cooper Electric. The conduit should terminate in the pull box above the drainage to prevent moisture from entering the conduit. Do a search for "conduit fill chart NEC" The L5-30R is a 125 volt receptacle. Our separate sealing rings ensure a liquid-tight seal. Use 'liquid-tight' with MC cable outdoors. Send this Page Print this page Conduit Liquid-Tight 2-1/2_EF/LT_GRAY CONDUIT - LIQ. 392-1 liquid tight connector, ½ in. same conduit, as permitted by the code. Liquid tight flexible conduit is required (about 3-4’), with a ¾” male NPT fitting for connection to the drive motor. « Back to Products. This type of conduit was designed by Kopex international before the patent expired and it can now be brought from numerous brands. F PA S F PA L. Tightening the collar onto the wire cable keeps the wiring entrance air tight. 7) Mount the pump on the coupler and seal threads liquid tight with appropriate thread sealant. Solder contacts are permanently bonded into the insulator. 2 industrial hazardous locations. However, an equipment grounding conductor must be installed when it is used as a fixed-wiring method. Conduit -- 85827000. \ Metallic Liquidtight Conduit. ) 2 Wires 31% (sq. Check this box to show only items that are usually for picking up from your selected location. Using a phenolic resin based matrix, it is designed to provide transit, utilities, and industry with a nonmetallic corrosion resistant, flame resistant, low-smoke, non-toxic conduit system that is suitable for high temperature installations. 1 of UL 360 and Table 2. Flexible Metallic Conduit Table C3 Liquidtight Flexible Metallic Conduit Table C7 Liquidtight Flexible Nonmetallic Conduit (Type FNMCB) Table C5. The possible wire gauges go from 14 AWG to 750 MCM, and from conduit trade sizes of 1/2 inches to 4 inches. Minimum length shall be 18 inches, maximum length per the NEC. So, i will be running a 30amp breaker to the the heater using flexible metal conduit once it gets to the garage, then ill be running a 20amp breaker. 43(15) Flexible metal conduit: Deleted. LTBU Computer Blue liquid-tight flexible metal conduit is typically used in computer rooms, data centers and infrastructure applications where crush and impact resistant performance is required to protect vital power conductors and communication lines. 1354 Technical Services Tel: 888. See NEC Table 344. Conduit will double the cost of an electrical installation. for use with emt or rigid conduit. Tested and Certified for Safety Our rigid metal conduit is Listed to UL Standard for Safety for Electrical Rigid Metal Conduit — Steel, UL 6. HIGH QUALITY CONDUIT FOR A WIDE RANGE APPLICATIONS Anamet Electrical, Inc. Most Thwn -2 wire is also rated MTW. ( 4) Cinder fill. flexible metal conduit is considered an accep- table wiring method in hazardous locations Class 1 Division 2 (CEC Rule J18-152(6)). LIQUID-TIGHT CONDUIT • 3/8 ” thru 2” trade size • Use with SEALPROOF ® straight or right angle connectors • May also be used with metallic connectors for liquid-tight conduit • Resists corrosion, abrasion, oil, water, acid, metal shavings, & rough environments • Resists abuse, pull & crushing. • EYSF/EYSM—for sealing vertical con-duit. However, in my experience this type of polymer coated conduit is not allowed for this hazardous location. Use: On ends of conduit to bond conduit system. Nylon Dome Cap Cable Glands are made from high strength nylon to outlast continuous flexing and stress on your cable. Already a customer? Login. Titan ® 2 Type CB Metallic Liquidtight Conduit. Our superior design standards and wide range of options allows us to meet the needs of a variety of application driven requirements. 2 to Tables in Chapter 9. Click here to find this and other useful industry tables and calculators at Cooper Electric. Description: 304 Stainless Steel Liquid Tight Flexible Conduit, utilising the same jacket material as type LT conduit. code description; 06036: electrical accessories: alternators, ammeters, coi: 0603621: breakers, circuit - automotive - brand listed or e: 06037: electrical parts (not. Liquidtight fittings are used to terminate and seal liquidtight flexible metal conduit to an oiltight, raintight or liquidtight box or enclosure. (9) A multiconductor cable of two or more conductors shall be treated as a single conductor for calculating percentage conduit fill area. Note: Liquidtight flexible conduits, metallic and non-metallic, in contrast to rigid PVC conduit and electrical nonmetallic tubing, does not have wire temperature limitations. Sold by American Synergy and ships from Amazon Fulfillment. Use that as your guide for the best supply wiring (and, if your locale has any special requirements about maybe depth, and type of cable run). Chemical Resistance Chart. 1354 Technical Services Tel: 888. Intermediate steel conduit. Amphenol ®. Conduit Wire Fill Charts & Tables; Conduit Wire Fill Charts & Tables. Conduit shall be Anaconda SEALTITE (R) Type NWC. Fittings shall be steel liquid tight grounding type from the same manufacturer as the conduit. Conduit from meter socket to 10’ up ComEd installed pole m. (gravity) It must be liquid tight in/out of the JB. Conduit Fill is the percent of area inside the conduit taken up by the cable (s). Liquid Tight Flexible Metal Conduit. Conduit Bushing Pennies. Conduit shall provide -2 Aalbie wiring conduit with galvanized steel con and r. Carlon ® non metallic fittings offer guarantees against rust, corrosion and high resistance to sunlight. Table C7 (Liquidtight Flexible Metal Conduit) Based on Table 1 Chapter 9 of the 2005 National Electric Code. We're Here to Help. This conduit fill table is used to determine how many wires can be safely put into non-PVC conduit tubing or pipe. 00000 2030-05-11 /Catalog/wirecable-and-conduit/conduit-and-conduit-fittings/flexible-conduit/liquidtight-flexible-nonmetallic-conduit/Thomas-Betts-15004-100 /. There are two basic types of flex (flexible) conduits—flexible metal conduit (Type FMC) and flexible metallic tubing (Type FMT). The main purpose of seals or seal-offs in conduit runs is to _____. Flexible Metallic Conduit Fill Table - Viking … Flexible Metallic Conduit Fill Table. from Interpower. Rigid Types DB2/ES2 PVC conduit • Table 9E - CSA C22. It has inside diameter of 1. The internal surface of the conduit will be free from burrs & sharp edges. Using a phenolic resin based matrix, it is designed to provide transit, utilities, and industry with a nonmetallic corrosion resistant, flame resistant, low-smoke, non-toxic conduit system that is suitable for high temperature installations. Features & benefits: Global certification to UL, CSA and IEC requirements high quality cores and jackets for excellent strength and durability. PW Eagle PVC Schedule 40 Bell End 45 Degree Conduit 36 in. Liquidtight flexible metal conduit (LFMC) is a special type of FMC that has a plastic coating. They opened the Nashville Tennessee location on Cowan Street in 2005 as an independent full-line electrical wholesale distributor. Placed at the end of a conveyor belt, they provide an excellent work station for accumulating, sorting, finishing or packing molded parts. liquid-tight flexible conduit with a minimum 27 trade size Diagram 39: If a metal fitting is used in the run of EMT to PVC for HVAC circuit, how must the connection of the PVC conduit to the fitting be done?. F PA S F PA L. 8 for conduit fill requirements, and when you land on the number, adjust up. The main purpose of seals or seal-offs in conduit runs is to _____. Types of conduits. Conduit acts the function of safe and secure barrier between wires and weather conditions or dirt. \ Non-Metallic Liquidtight Conduit. which the box or conduit body has been listed are less than. Williams Wholesale Supply of Nashville, Inc. The reason it is so popular is due to its affordability and flexibility. Provide PVC junction boxes intended for outdoor use in PVC conduit systems. TABLE E3904. Raceway Size: Raceway sizes are shown on Drawings or specified elsewhere herein. RGD - Rigid & Intermediate Metallic Conduit. Table of Contents. Diversitech Liquid Tight Straight Connector. • Removable nipple in male sealing fitting may be used interchangeably in top or bottom hub. was founded in 2005 by John Hannah, Richard Tanner, Roy Williams and Bobby Williams. HIGH QUALITY CONDUIT. products to meet specific. PVC conduit • Table C. T&B ® Fittings offer a large variety of materials, unique features and manufacturing methods each carefully selected to address the end user needs. Flexible Liquid Tight Electrical Conduit and Tubing is a light weight & flexible PVC conduit manufactured with a high strength spiral of rigid anti-shock PVC. Carflex is easy to install because it weighs 50% less than comparable metallic systems. Unit of Measurement: Lump Sum. 5 of the NEC as an “Other Approved Raceway”. Each row going across is a different size and type of conduit, either EMT, IMC, or galvanized pipe (rigid metal conduit, RMC). 80 You Save:. The rows going across is the size of the conduit and the type. Whats people lookup in this blog: Conduit Fill Table For Liquid Tight. Enter the desired footage in the QTY box. I bought a 30 amp breaker for the hot tub. Liquidtight Flexible Nonmetallic Conduit (Type FNMCB) Table C5 If you have any other questions see the NEC Code Book. NEC CONDUIT FILL Maximum Number of Conductors In Conduit or Tubing: Type of Wire Conductor Size Conduit Size (Inches) AWG MCM 1/2 3/4 1 1 /4 1 /2 2 2 /2 3 3 /2 4 5 6. However, consider using a conduit body where conduit passes through a wall or makes some other transition. Conduit Fill is the percent of area inside the conduit taken up by the cable (s). For an example demo n strat ing that trade sizes of different conduit types are not equivalent, refer to Chapter 9, Table 4 for comparison between Schedule 80 PVC and IMC conduits. It can be used in wet or dry locations, indoors or outside, and shielded or left. Bridgeport offers innovative fittings for liquid-tight conduit, with many choices in 1/2" to 4" trade sizes. Concrete-Tight. t: 800-221-5268 | f: 201-664-1175. REFERENCES. Flowable fill is not concrete nor it is used to replace concrete. For high-density. The Belden product portfolio consists of best-in-class communication technology. 2 to Tables in Chapter 9. Sold by American Synergy and ships from Amazon Fulfillment. General Purpose, UL Listed liquid-tight flexible metallic conduits providing premier performance in the toughest applications. • Add customer-supplied wire to extend the cable. Conduit Calculator. Carlon 3/4 in. Everything For Life & Home. The following is a typical conduit fill chart, which shows data for different types of conduit such as EMT conduit, IMC conduit, and GRC conduit. Table C7 (Liquidtight Flexible Metal Conduit) Based on Table 1 Chapter 9 of the 2005 National Electric Code. ACC - Accessories. Offers practical information on correct usage and industry-recommended practices for the installation of Flexible Metal Conduit (type FMC), Liquidtight Flexible Metal Conduit (type LFMC) and Liquidtight Flexible Nonmetallic Conduit (type LFNC) in accordance with the NEC ®. Warning: Use of undefined constant HTTP_USER_AGENT - assumed 'HTTP_USER_AGENT' (this will throw an Error in a future version of PHP) in /www/wwwroot/dm. Nonmetallic conduits are not acceptable. 2018 NATIONAL ELECTRICAL ESTIMATOR ® By Mark C. Series 70 Model 72B. Fittings and Supports for Conduit and Cable Assemblies 7. Register Product. We are known for our high quality wiring conduits used in applications ranging from machine tools, computer wiring, office furniture, nuclear power plants, mass-transit vehicles, military shielding and industrial construction. Your source for flexible conduit connectors, 90 degree liquid tight connectors, flexible electrical conduit connectors, and flexible conduit elbows Considered an essential business as defined by the CISA, we continue to fill customer orders in accordance with current rulings. whip in any length, wire gauge size, with your choice of steel or liquid tight conduit with specificity for inside and outside diameters, or unique applications that require motion, vibration, or bending capability. The National Association of Electrical Distributors (NAED) is the voice of. Liquid-tight flexible nonmetallic conduit without integral reinforcement within the conduit wall shall not exceed 6 feet in length. If you want to save a little on copper you can install a MWBC, only need 3 conductors (2-hot +neutral) to run a pair. I bet your boss doesn't have all the different types of conduit/fill allowances memorized, so now is your chance to turn the tables on him. Ideal for cramped locations or tight corners where large radius conduit elbows will not fit or would appear unworkmanlike. Note: Liquidtight flexible conduits, metallic and non-metallic, in contrast to rigid PVC conduit and electrical nonmetallic tubing, does not have wire temperature limitations. Revised for the 2008 Code, 300. In wet or dry locations. The most common fill capacity is the 40% capacity that applies to the allowable conduit fill when more than two wires are in a conduit. The NEC does restrict the length of flexible metal conduit for lighting fixtures to 6 ft to limit the ground return path. The following is a typical conduit fill chart, which shows data for different types of conduit such as EMT conduit, IMC conduit, and GRC conduit. 43(17) High Density Polyethylene Conduit (HDPE/Poly Pipe): Shall be schedule 80. + Calculate any single motor and get maximum overcurrent, maximum overload, minimum wire. Welcome to the Conduit Fill Calculator website. Table of Contents. whip in any length, wire gauge size, with your choice of steel or liquid tight conduit with specificity for inside and outside diameters, or unique applications that require motion, vibration, or bending capability. Electrical conduit, fittings and accessories for electricians, power utilities and infrastructure contractors. ¾-inch conduit is the correct size for this application. Rigid Galvanized Steel 45 Degree Conduit Elbow. Flexible Metallic Conduit Table C3 Liquidtight Flexible Metallic Conduit Table C7 Liquidtight Flexible Nonmetallic Conduit (Type FNMCB) Table C5. Do a search for "conduit fill chart NEC" The L5-30R is a 125 volt receptacle. Most Thwn -2 wire is also rated MTW. T&B Conduit Fittings Table of Contents Specifications for Rigid Metal Conduit 5-10 Locknuts, Sealing Fittings, 11,12 cinder-free concrete unless the conduit is at least 18 inches below the fill. Conveyor Work Station Turntables. • Expanded fill EYSEF/EYDEF— allow up to 40% conduit fill in. The internal surface of the conduit will be free from burrs & sharp edges. I bought a 30 amp breaker for the hot tub. 22 for 3/8 inch Flexible Metal and Liquidtight Flexible Metal Conduit Open Table 348. 22, "Fittings Outside Conduit" columns. Flowable fill is not concrete nor it is used to replace concrete. So, we're really talking about raceway fill--whether that raceway is conduit, EMT, NMT or some other kind of raceway. Whats people lookup in this blog: Nec 2017 Conduit Fill Table. Do a search for "conduit fill chart NEC" The L5-30R is a 125 volt receptacle. 5 mm through 12. The number of conductors shall not exceed that permitted in Table 348. 1 of UL 360 and Table 2. • Material: Liquid or solid; automatically adjusts echo processing with one entry. Large opening for damming and filling. Fittings and Supports for Conduit and Cable Assemblies 7. Under-Floor Power Whips, Drop-Down Power Whips, Flexible Liquid Tight Conduit, Multiple Color Options Available, NEMA Connector Options, Metal Clad Available. Oil-Resistant Liquid-Tight Flexible Metal Conduit. liquid-tight flexible conduit with a minimum 27 trade size Diagram 39: If a metal fitting is used in the run of EMT to PVC for HVAC circuit, how must the connection of the PVC conduit to the fitting be done?. 5? This is in reference to minimum coverage of. Responding to the demand to safely protect power and data cabling in today’s interconnected world, Flexicon has launched its most extensive flexible conduit Products and Solutions Guide for Hazardous Areas. 04 Hazardous Area Classifications & Zones 05 Liquid Tight Flexible Conduit - Range Summary 06 - 07 Liquid Tight Flexible Conduits - including new Low Fire Hazard and Anti-static Liquid Tight 08 - 09 EXD Glands for Flexible Conduit 10 - 11 EXD Glands for Braided Flexible Conduit 12 EXTRA LOW FIRE HAZARD INHERENT LOW FIRE HAZARD EXD Accessories. • Rigid RTRC conduit Type ID • Metallic Liquid-tight flexible conduit • Non-metallic Liquid-tight flexible conduit • Electrical metallic tubing • Electrical non-metallic tubing. The resistance (ohms per 1,000 m) of conductors commonly used in traffic signal and highway. trade sizes can be used as the equipment grounding conductor if the length in any ground return path does not exceed 6 ft and the circuit conductors contained in the conduit are protected by overcurrent devices rated at ____ or less when the conduit is not installed for flexibility. They opened the Nashville Tennessee location on Cowan Street in 2005 as an independent full-line electrical wholesale distributor. In addition to resisting oil, this conduit resists lubricants and grease. Non-UL flexible liquid-tight conduit conforms to the JIC standards for dimensions and general construction. (g) Where installed as conduit or tubing, the cable fill does not exceed the amount that would be permitted for complete conduit or tubing systems by Table 1 of Chapter 9 of this Code and all applicable notes thereto. Change Location. 7) Mount the pump on the coupler and seal threads liquid tight with appropriate thread sealant. where used with listed fittings. Be sure to use a conduit fill chart and conduit fill calculator to save time and get the right conduit fill. Color: Black Applications: In free air, raceways or direct burial. - has stood for quality, innovation and service. Liquid-tight conduit d. Made with hot-dipped, galvanized steel core and PVC coating, liquid-tight conduit keeps moisture off your power wires when installed with the proper fittings. This shopping feature will continue to load items when the Enter key is. Send this Page Print this page Conduit Liquid-Tight 1/2_EF/LT_GRAY 1/2IN EF11 LIQTITE. Conduit Type: EMT (RNC) PVC 40 (RNC) PVC 80 (RMC) Rigid GRC IMC ENT Flex LFMC (RNC) Type DB-60 (RNC) Type EB-20. Warning: Use of undefined constant HTTP_USER_AGENT - assumed 'HTTP_USER_AGENT' (this will throw an Error in a future version of PHP) in /www/wwwroot/dm. 04 Hazardous Area Classifications & Zones 05 Liquid Tight Flexible Conduit - Range Summary 06 - 07 Liquid Tight Flexible Conduits - including new Low Fire Hazard and Anti-static Liquid Tight 08 - 09 EXD Glands for Flexible Conduit 10 - 11 EXD Glands for Braided Flexible Conduit 12 EXTRA LOW FIRE HAZARD INHERENT LOW FIRE HAZARD EXD Accessories. dimensions of sliders UL Listed flexible metal conduit † Approximate dimension with screw at minimum height. Whether to use EMT conduit over GRC or other metallic tubing options is the question. However, in my experience this type of polymer coated conduit is not allowed for this hazardous location. , the percentage wire fill requirements shown in Chapter 9, Table 1 of the NEC apply; for example, 40-percent fill for three. com All our high-performance products are designed to deliver excellent. Liquid Tight Conduit; PVC Conduit, Fittings, Boxes Hue Wellness Table Lamp Philips Lighting. Offers practical information on correct usage and industry-recommended practices for the installation of Flexible Metal Conduit (type FMC), Liquidtight Flexible Metal Conduit (type LFMC) and Liquidtight Flexible Nonmetallic Conduit (type LFNC) in accordance with the NEC ®. Running cable and conduit through hazardous locations demands products that you can rely on to protect people, property and productivity. 43(16) Liquid-tight flexible nonmetallic conduit: Deleted. DIN 40430 - Steel Conduit Thread; Dimensions. Page 1 of 1 Start over Page 1 of 1. Item # 434089-0143, Type NWC - Nuclear Wiring Conduit Liquid-Tight Flexible Metal Conduit (LFMC). Flexicon Launches New Cable Protection for Hazardous Areas Guide. However, ¾-inch EMT has a maximum fill of 0. For polyvinyl chloride (PVC) conduit systems, provide conduit that meets the requirements of NEMA ® Standard TC-2 and UL ® 651. Any temperature. • Suitable for use at conduit temperatures of 80°C dry, 60°C wet and 60°C oil resistant as required by section 15-6 of ANSI/NFPA 79-1985 and UL 1660. Heyco Liquid Tight Flexible Conduit Tubing and Fittings Heyco Flex Metallic Liquid Tight Conduit Fittings 90 degrees Sweep NPT: Heyco Specialty Power Cords HeycoModular Connector System Power Cords and Jumpers: Stanley Avdel Genesis G3 Hydro Pneumatic Power Tool 71223 Removable Bottle and 71224 Fixed Bottle Instruction Manual. No problem. Rigid PVC Conduit, Schedule 80 Table C9. Table 4 ( Dimensions & Percentage Area of Conduit & Tubing ) Table 5 ( Dimensions of Insulated Conductors & Fixture wires ) - NEC Table 8 ( Conductor Properties ) Table 430-148 ( Full-load Current in Amps, Single Phase Ac Motors ) Table 430-150 ( Full-load Current 3 Phase AC Motors ) - NEC 1996 Table 430-152 ( Max. Rigid Types DB2/ES2 PVC conduit • Table 9E - CSA C22. The origins of SEALTITE® are directly connected to the development of the first liquid-tight flexible electrical conduit for the machine tool industry in 1942. • Suitable for use at conduit temperatures of 80°C dry, 60°C wet and 60°C oil resistant as required by section 15-6 of ANSI/NFPA 79-1985 and UL 1660. of sealant 1. For example, to use EMT type conduit with the previously calculated total fill of 0. prevent the passage of gases, vapors, or flames from one portion of the system to another. 1 Steel Conduit and Tubing The wall thickness and strength of steel make RMC, IMC, and EMT the wiring methods recognized as providing the most mechanical protection to the enclosed wire conductors. Careers at Viking. The finished Type LFMC dimensions shall be in accordance with Table 5. saint louis, MO 63114. The purposes of the sump are to contain leaks, and keep water and soil away from. for aluminum conduit body for conduit body for connecting liquid tight conduit to e. However, in my experience this type of polymer coated conduit is not allowed for this hazardous location. was founded in 2005 by John Hannah, Richard Tanner, Roy Williams and Bobby Williams. 7 Annex C of the National Electric Code allows 3 or 4 number 6 wires in a 3/4 Liquid tite flex conduit depending on the wire type. Whether to use EMT conduit over GRC or other metallic tubing options is the question. Apply thread sealant to the electrode before threading conduit onto electrode. Liquid Tight Flexible Metal Conduit. 1354 Technical Services Tel: 888. Often used for air conditioning hook-ups and other outdoor applications. Conduit Fill Table. Types of conduits. The Belden product portfolio consists of best-in-class communication technology. The probe is designed for full liquid contact. Liquid-tight Flexible Metal Conduit. in Flexible Conduit Technology Anamet Electrical Offers Several Lines of ANACONDA SEALTITE® Suitable for the Extreme Environments. More Options Available. Flowable fill is not concrete nor it is used to replace concrete. Shop Irby Tool & Safety Store. « Back to Products. Material: Nylon. 00 Grainger Approved Liquid-tight Conduit,34in X 100ft,black, 6803-30-00. Tightening the collar onto the wire cable keeps the wiring entrance air tight. UL 23018CSA File No. the maximum conduit or tubing fill permitted by Table 1 of. Type LA is a flexible metallic liquid tight conduit with a heavy duty steel core which provides shielding effectiveness from Radio Frequency and Electro-Magnetic Interference. This short guide can help you understand what it is, and where you should be using it. Table C7 (Liquidtight Flexible Metal Conduit) Based on Table 1 Chapter 9 of the 2005 National Electric Code. Enlarger/Reducer Couplings. RGD - Rigid & Intermediate Metallic Conduit. Customers who viewed this item also viewed. 3 inch outside diameter to enter the box. Each column (going up and down) is a different gauge of wire. Type NM is intended for installation in accordance with Article 356 of the NEC (ANSI/NFPA-70) for Flexible Liquidtight Nonmetallic Conduit (LFNC-B or FNMC-B). Crouse-Hinds Series LT38 3/8 Inch Malleable Iron Non-Insulated Straight Liquidtight Conduit Connector Report Incorrect Product Information Online Form - v8 Product Detail Page Feedback. Lengths in use are limited to 6 feet. is the leading worldwide supplier of SEALTITE® flexible wiring conduit. On the other hand, #16 awg is considered strong individually so we can pull it in a raceways such as EMT, rigid metallic conduit, rigid PVC, ENT (electrical non-metallic conduit-coralline), liquid tight, and HDPE). 56 Metallic Liquid-tight flexible conduit • Table 9H – CSA C22. Antonyms for Liquidambar styraciflua. Warning: Before you attempt to install the FT-65 inspection system, turn off power and disconnect all electrical power cables from the FT-65 inspection system. t for contender series tumbler switch for emt or rigid for emt, rigid and pvc conduits for fm7 unilet conduit outlet bodies for fm8 conduit outlet bodies for fm9 aluminum unilet conduit outlet bodies for form 35 unilet conduit outlet bodies for general outdoor lighting in wet, damp or dry locations for imc and rigid conduits for overhead service entrance. Liquidtight flexible metal conduit (LFMC) is a special type of FMC that has a plastic coating. Commercial Grade, Type B Liquidtight Flexible PVC Conduit, 3/4 Inch Conduit Size, Approved for Outdoor and Direct Burial in the US, UL Temperature Ratings - 80 Degrees C Dry, 60 Degree C Wet, 70 Degree C Oil, Oil Resistant, Voltage Rating 600V, Gray. SE - Service Entrance Cable. Seal threads liquid tight with appropriate thread sealant. I have a 50 amp panel on one side of a utility shed to supply outdoor power to a variety of things. Federal Specification A-A-50552 - Fittings for Cable, Power, Electrical and Conduit, Metal, Flexible. t: 800-221-5268 | f: 201-664-1175. Cable Diameter. Liquid Tight Conduit; PVC Conduit, Fittings, Boxes Hue Wellness Table Lamp Philips Lighting. Color: Black Applications: In free air, raceways or direct burial. WW-C-566…Federal Specification. Product Name Description Order # Antenna: Omni, Portable, Whips Bluewave BMO1428I BW Omni 1428-1454 MHZ 8 dbd N-F Collinear -5110 Bluewave BOA90211 BW Omni 902-928 MHz 9dB N-F inlcudes mounting clamps (2) BWC1002. If you use water-resistant cables to run electrical wire to the pump. Stocked to Ship to. Viking Electric provides electrical solutions for residential and commercial contractors, and industrial markets. 99 EA Please fill out our non-stock/special order form and we. International Flexible Metallic Tubing is a raceway for electric conductors that is circular in cross section, flexible, metallic and Liquid-Tight without a nonmetallic jacket. Liquidtight Liquidtight fittings Overview Applications: Typical applications for liquidtight conduit and liquidtight fittings include the wiring of machine tools, motors, transformers, food processing equipment, robotics, air conditioning units, illuminated storefront signs and billboards, etc. (5) Wet locations. conduit, to our patented Raintight jacketed metal clad (JMC) cable connectors, to our patented zinc die cast Raintight EMT fittings. The resistance (ohms per 1,000 m) of conductors commonly used in traffic signal and highway. Ultratite ® Type NMHC Hot/Cold Liquidtight Flexible Nonmetallic Conduit. Most Thwn -2 wire is also rated MTW. The finished Type LFMC dimensions shall be in accordance with Table 5. 7) Mount the pump on the coupler and seal threads liquid tight with appropriate thread sealant. • Suitable for use at conduit temperatures of 80°C dry, 60°C wet and 60°C oil resistant as required by section 15-6 of ANSI/NFPA 79-1985 and UL 1660. Dottie has provided quality products & unrivaled customer service to Electrical, Plumbing, HVAC, and Security & Low Voltage professionals. Spec Sheets. Select conduit: What is the trade size of the conduit?. conduit, to our patented Raintight jacketed metal clad (JMC) cable connectors, to our patented zinc die cast Raintight EMT fittings. ) except under certain conditions, where voltages are higher than 600 V. For information on the following types of conduit, see these tables in appendix C of the 1996 NEC. If you aren't near a bend, use a conduit body instead of a coupling at the first conduit joint on the way into an enclosure and the first joint on the way out. The below chart is from Table 1 in Chapter 9 of the National Electric Code. Turn your bid into a contract. The installation instructions on the EVSE will describe how to make the supply connections when outside to meet the water-tight requirements (assuming that model is already classified for that use!). t for contender series tumbler switch for emt or rigid for emt, rigid and pvc conduits for fm7 unilet conduit outlet bodies for fm8 conduit outlet bodies for fm9 aluminum unilet conduit outlet bodies for form 35 unilet conduit outlet bodies for general outdoor lighting in wet, damp or dry locations for imc and rigid conduits for overhead service entrance. Use: Watertight connections. It is a direct wire. The grounded conductor shall be insulated. where used with listed fittings. Anaconda Company including The American Brass Company in 1977. Install liquid-tight flexible conduit wherever the wiring will be subjected to wet conditions. In any case, I have a question about feeding THHN wires through PVC, Schedule 40 conduit that is to run underground. Liquid Tight Flexible Conduit and Fittings Click to view products. 12" leak sensor model rsu800 rests on bottom of reservoir leak sensor cable riser pipe cap w/ liquid tight cable grips & vent tube recommended hydrostatic fill liquid depth in reservoir 7" 4" schedule 40 riser pipe 12. HIGH QUALITY CONDUIT FOR A WIDE RANGE APPLICATIONS Anamet Electrical, Inc. 1354 Technical Services Tel: 888. Electrical conduit, whether it be rigid metal (EMT), rigid plastic (PVC), or flexible metal (FMC), is limited as regards the maximum number of electrical wires that can be run inside the conduit. damage from test probes and to help prevent misaligned pins during engagement. The NEC sets standards for the percent of volume that can safely be put into conduit. Metal Electrical Conduit. DCT - Air Conditioner Disconnects. Anaconda Company including The American Brass Company in 1977. where used with listed fittings. Hot Tub Electrical Circuit Conduit Electrical Question: I bought a 220v hot tub. 104 so there would be no reason it cannot be used. 22 lb, 18-1/2 in L, Steel, Black. These fittings seal out liquid when used with continuous-flex liquid-tight plastic conduit. It has inside diameter of 1. Data-Flex ® Flexible Metal Conduit. Conduit Seal, 3/4", Female/Female, Vertical/Horizontal Sealing Fittings (25% Fill), Malleable. See NEC Table 344. • High flow at low pressures. 83 and C22. To ensure that your drive motor is not ruined as a result of water traveling through the conduit and into the motor cavity, we recommend that your electricians inject silicon inside. Many electricians call this metal cable BX®. Often times it can be used to pull new wires directly into the pipe - saving time of multiple pulls of increasing strength string / rope.