Keep in mind that "support" does not always mean fastening the cable to framing. From informal testing it turns out that securing NM-B cable to a metal junction box through a standard metal 3/8” NM cable clamp connector creates the risk that even slight over-tightening of the clamp’s retaining screws will generate an immediate or subsequent short circuit fault between one or more conductors and box ground. Connect the ground pigtail to 3. Remove that clamp from the grounds and wire nut then together with a 6" bare or insulated green wire Now take the black pigtail and connect it to either 4 or 5 in your picture. Cable & Conduit Cable & Conduit 354 results for Cable & Conduit. Typical locations include: How many romex wires can be in one 1 1/2 in hole in a wood top plate. For use with: Armored Cable - 14/2-10/3, Metal Clad - 14/2-10/3, Non-Metallic Cable - 12/3-10/3, Underground Feeder - 14/3 & 12/3 (1) + Show More - Show Less 1/2" Romex Metal Staples - … non metallic sheathed cable. It is die-cast of corrosion-resistant, high-strength zinc alloy and can be used indoors or outside. In my case, the connectors were the type that have a clamp with two screws. Of course you have to allow 1.25" clearance to the edge of the stud or … electrical pvc conduit. I put 1/2" romex cable clamps to secure the romex as it enters the junction box of the light and tightened the two screws on the clamps all the way down. Cable clamp for 1/2 inch knockout and 10/3 romex? What we typically think of as a 3/8" romex connector that fits in a 7/8 Dia hole (1/2" K.O.) For example a 3 conductor romex cable has 3 separate wires inside the cable. It can also be used to connect UF cable to a waterproof box with a threaded hub. This trick will make the install much easier. Wire. Where is this information in the Code book? 167k 14 14 gold … Die-cast zinc construction . Reply. Back to top. In the breaker panel, there are knock out holes into which romex clamps allow wires to be passed into the panel. The box they came in specifically listed twl #12-3 cables as approved. I have no clue what #12/2-#14/2 Service Entrance cable is but these clamps are way too large for either 12/2 or 14/2 Romex. … I believe the proper name is 'clamp connector for NM cable'. This may seem like a basic question, but I was using 14/2 romex NMD 90 for some 4" recessed indoor pot lights. Nov 19, 2013. Conductors Conductor is the term used for wires that are in a cable. clamp connector. The sheathing on NM cable does offer some protection against incidental physical damage. I have read the packages of several Romex clamp fittings, and they were listed for up to 2 Romex cables, 12 or 14 AWG. in Ontario Canada, as per Ontario and Canadian code . Fits NM Cable: #14/2, #12/2, #12/3, AWG or 2- #14/2 AWG . Product is UL and CSA Listed. Don't use LOAD unless you are meaning to protect onward outlets.Almost every GFCI (except the dangerous Chinese cheapies sold on Amazon) will support 2 wires under the Line screws via the "screw-and-clamp" back-wire … Non-Metallic (NM) 2-Piece Clamp Connectors (5-Pack) Use the 3/8 in. I have a circuit panel inside a garage, new construction, with the hole at the top plate completely stuffed with 12/2 romex. There are clamps for smaller romex that install from inside the box, but I don't believe they are made for larger sizes like you need. Shop electrical wire & cable and a variety of electrical products online at Lowes.com. 356 4 4 silver badges 15 15 bronze badges. I need to know if it's ok to run as many wires as the clamp allows (physically), or whether the number of wires/cables is limited? Watertight Connector is designed The 1 in. Sheathing on Romex is made of tough polyvinyl chloride (PVC) thermoplastic. Southwire 63946822 50 14/3 with ground Romex brand SIMpull … A reversible locknut cuts through protective coatings on boxes and enclosures to preserve grounding. For as long as I have been doing (DIY) electrical work, I have tightened the nuts on the 1/2 and 3/4 Romex clamps using a large screwdriver and a hammer. An insert clamps the cable in place and provides more strain relief than standard snap-in cord grips for building cable. The 1 in. Consequently, what is a Romex clamp? RustyNail | Posted in General Discussion on May 22, 2007 08:45am I was wondering the other day about this… the Romex cable clamps shown in the attachment… does it matter which side the clamp portion goes on? The answer will be based on NEC ( National Electrical code ) or CEC ( Cananda Electrical code ) or ECF ( Electrique Code France ) … I have attempted to add the picture, but don’t think it went through. Hi, I was looking at my service entrance (panel) today. listed to accept TWO NM cables and these connectors also fit one 1/2" K.O. The company was an industry leader until it filed for bankruptcy in 2003 and its factory was largely demolished in 2010. Cerro Wire 138-1802-B Romex 50-Foot 2-Conductor Underground Feeder Cable by Jensen. However, the other day I came … knockouts. … There are however, duplex connectors that are U.L. Can one Romex (14/2 or 12/2) be installed in conduit (1/2" EMT) as a means of mechanical protection sleeve when it's run vertically on an exposed basement wall (concrete) in an unfinished basement with no studs, from the ceiling to plug height (12 inches)? asked Dec 31 '18 at 21:45. They also must be secured within 12 inches of an electrical box that includes a cable clamp or within eight inches of a box or enclosure without a cable clamp. As an example, the Halex 2 screw connector is rated as: Application: Indoors Only. Hello. Follow edited Jun 3 '18 at 13:16. From the Manufacturer Direct burial in the earth as feeder or branch circuit cable. This fault is 100% reproducible if the … and @ThreePhaseEel indicated in the comments there is a larger one available for 6/3 Romex . home / products / non metallic sheathed cable / clamp connector. Additionally, can you leave Romex exposed? The screws seem to be pretty tight against the romex sheath, the romex cables seem to be centered on the clamp… Use indoors. Inspector withdrew his objection. I looked again. Report Review. Share. They are compatible with standard 1/2 in. Used to secure 12./2 wire. Also, if I leave a few inches of slack in the cable outside of the box, I can loosen the clamp to give me some "wiggle room" if I (or a future … Save Share. Rome Cable Corp. was also a major source of aluminum wire produced by its parent company Alcoa. For example, with a typical cable installation inside a framed wall, the cable passes through holes drilled into the wall studs for most of its … Into an 1110 box, for a single plug. It is handled differently than standard Romex® (non-metallic sheathed) cable. electrical. For background: the conduit will be buried until surfacing in a junction box; using burial-rated "romex"black but want the additional security of conduit. I did find some 3/8" push-in cable clamps but they still looked to big. DrTarr DrTarr. Every Romex cable entering the box needs to do so at a listed cable clamp, whose purpose is to prevent the wire from taking damage from the sharp box edge. Still, no matter how strong the NM sheathing, it is not mean to exposed applications. Twin Screw Non-Metallic Cable Clamp Connectors (5-Pack) to join non-metallic sheathed cable and flexible cord to steel outlet boxes or other metal enclosures. Specific Inspection Topics. They are flat … While I know the "reversed" method of installing cable clamps will take up additional space inside the box, if I use a 4"x4"x2+" box for a single gang outlet (using a single gang mud ring) then crowding the box is definitely not an issue. Helpful 1 person found this helpful. rnapper (Russell Napper, … Electrical cable encased in metal sheathing is often used in basements and other areas where the wire is not encased in a finished wall. I am just going to cover a few basics for choosing the proper romex cable for use on circuits that I discuss on this website. Jump to Latest Follow 1 - 11 of 11 Posts. Number of Romex wires in one hole. House wiring cable known as romex cable comes in a variety of sizes and combination's. The sheathing on both 14 and 12 AWG wire is 15 mils thick. Use to connect building cable for dry locations, also known as Romex type NM-B cable, to enclosures and outlet boxes by pushing these grips into a knockout.. For technical drawings and 3-D models, click on a part number. Your box fill will be OK with either #14 AWG or #12 AWG. But if you used the 10-3 UF cable forget it you will need larger NM clamp for that cable. Share. Follow edited Jan 1 '19 at 14:08. batsplatsterson . As to the number of cables that can pass through a hole in a stud, I believe that if you can get the cables through the hole without damaging them, it is OK. 2-Piece Clamp Connectors (5-Pack) to connect #14 - #10 non-metallic sheathed cable to steel outlet boxes or other metal enclosures. Romex cable clamp question. Actual trade size is 3/4-in. I also have a few other simple and minor questions-but have posted … The Romex name comes from Rome Cable Corp. of Rome, New York, which originally produced the cable. Even if you try to squeeze them or flatten them out they are too large and the cable slips. Indoor or outdoor wiring, where subject to damp or corrosive conditions. 2-Piece Clamp Connectors Use the 3/8 in. I’ve always used these for JBs with the clamp on the outside of the box, locknut on the inside. $97.55. IP: 63.204.201.214. unregistered : posted August 07, 2001 at 05:25 PM David, It's not in the Code … size: description: item # 1 1/2" non-metallic clamp connector: 05115: 2" non-metallic clamp connector: 05120: bulk: 3/8" non-metallic clamp connector: 05103b: 3/4" non-metallic clamp connector: 05107b: 1" non-metallic clamp connector : 05110b: 1 1/4" non-metallic clamp … Thanks! I noticed that 3 romex wires were entering the panel, and being held by 1 romex clamp. Harper - Reinstate Monica. Find Romex SIMpull electrical wire & cable at Lowe's today. The wires insulation are … Aluminum wire is inferior to copper wire and its … It is often used in fire-rated occupancies as an alternative to metallic conduit. For one 14/3, 12/3, 10/3 - 4/2 NM Cable; 0.52-in x 0.61-in, 0.51-in x 0.80-in SE Oval Cable; or 0.57-in - 0.69-in SE Round Cable (See NM Cable Sizes Chart for multiple cable configurations) Tri-combo screws included. 3/8 in. Improve this question. These are the flat kind. Electrical Inspections. There is definitely a 1/2" knockout in that box, … The UL WHite Book will tell you that the 'smallest unit of packaging' will have the listing of the cable combinations for which the connectors are approved. The clamp that goes on there is tightened to the Romex with two screws and then to the junction box for the canned light with a star nut on the male end on the inside leaving 6-8" of wire to be tucked into the box after making your connections with the wire nuts. Same in-stock item available for same-day delivery or collection, including GST and delivery charges. ( due it will be flat and pretty wide ) Merci, Marc . Code dictates that the manufacturer must specify that the connector is designed than one cable, or else it can only accept one cable. How many 14/2 romex cables can I, according to NEC (or safely), put in a 1/2 pvc conduit? For instance, I have seen 2 romex cables in a single 2 screw 1/2" romex clamp fastened to a 4" square box, and also I have seen all load romex cables that leave a load center pass through a single 2 screw 2 1/2" romex clamp. Clamp type cable connectors terminate NM or SE Cables to a 3/4-in knockout. Inside hallow brick, tile, or masonary walls. 23.6k 1 1 gold badge 28 28 silver badges 76 76 bronze badges. There is no limit per se. Where you find a competitor's lower price on the same stocked item, we'll beat it by 10 % Excludes trade quotes, stock liquidations, commercial quantities and MarketLink products. Is … 3. Re: Exposed romex NM cable … Watertight Connector is designed to connect SE/SEU cables to metal enclosures. Southwire 63948426 100 10/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B, Orange Product Description & Features: Coated in patented SIMpull Cable… View More Southwire 63948426 100 10/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B, Orange. is generally not listed for more than ONE NM cable. About Us About Us; … Improve this question . What a waste..... by HappyConsumer. As far as the staples, regardless of length, I haven't seen a cable staple that was U.L. Installing a wire connector into a main breaker box or electric work box can be difficult at times. Connect the white pigtail to either the 1 or 2 in your picture.