Connectors for mc flex and nm cable is part of topaz s essential knowledge series of training videos.
Nm cable connector installation.
Normally the cables carry 10 12 or 14 gauge conducting wires for individual house circuits.
8 conductors must be installed through bored holes in the framing members.
Installing nm cable exposed in the basement of a structure is so common that section 336 6 c provides guidance on the installation of the cables in a basement.
This code requirement is an important safety feature that protects the wiring connections inside the box in case the cable is pulled.
Nonmetallic or nm cable commonly known by the brand name romex must be secured to electrical boxes at the point where the cable enters the box.
Damaged cables can cause a short circuit or even worse arcing that will start a fire in the attic.
A loose cable like in the photo above gets caught in the spring mechanism of a pull down folding ladder at the attic opening and frayed.
6 awg or three no.
Nm cable also commonly known by the common trade name romex is the most common form of electrical wire.
Article 334 nonmetallic sheathed cable.
Mighty merge multi nm cable connectors and transitions can help terminate up to 6 nm cables in one knockout or conduit run.
B types nm and nms.
In this video we discuss what bx connectors are and.
Types nm nmc and nms ii.
Nm cable is simply a bundle of individual conducting wires wrapped in a plastic vinyl outer sheathing.
Bridgeport offers a wide variety of non metallic cable connectors.
Our cord grips come in a wide variety of sizes and materials.
Types nm and nms cables shall not be used under the following conditions or in the following locations.
The cable must be at least 1 1 4 inch from the face of the framing.
Cable connectors 5 pack connect non metallic sheathed cable to a steel outlet box or similar metal enclosure.
Connect non metallic sheathed cable to metal electrical enclosures.
See 300 12 and 300 15.
Cable clamps or cable connectors must be used with only one cable unless that clamp or fitting is identified for more than one cable.
For this reason the nec has protection requirements for nm cables in an attic.
334 12 uses not permitted.
What are the termination requirements where nm cables enter a panel.
4 in wet or damp locations.
Push the conductors and about 1 4 inch of sheathed cable into the box and staple the cable within 8 inches of the box.
All cables must be secured to the enclosure with fittings designed and listed for the cable 312 5 c.
