Nm Cable Connector Installation

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.

Nm cable connector installation.

Connectors for mc flex and nm cable is part of topaz s essential knowledge series of training videos. They are made of polypropylene plastic and are easy to install. Bridgeport offers a wide variety of non metallic cable connectors. Punch a hole or two for two cables through the knockout area of the box with a screwdriver or the point on your stripping tool.

Push the conductors and about 1 4 inch of sheathed cable into the box and staple the cable within 8 inches of the box. B types nm and nms. For this reason the nec has protection requirements for nm cables in an attic. In the unfinished basement an nm cable containing conductors smaller than two no.

334 12 uses not permitted. Connect non metallic sheathed cable to metal electrical enclosures. 4 in wet or damp locations. Nm cable also commonly known by the common trade name romex is the most common form of electrical wire.

6 awg or three no. Nm cable is simply a bundle of individual conducting wires wrapped in a plastic vinyl outer sheathing. 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. All cables must be secured to the enclosure with fittings designed and listed for the cable 312 5 c.

Article 334 nonmetallic sheathed cable. This code requirement is an important safety feature that protects the wiring connections inside the box in case the cable is pulled. 8 conductors must be installed through bored holes in the framing members. 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.

See 300 12 and 300 15. Normally the cables carry 10 12 or 14 gauge conducting wires for individual house circuits. Types nm and nms cables shall not be used under the following conditions or in the following locations. Cable connectors 5 pack connect non metallic sheathed cable to a steel outlet box or similar metal enclosure.

What are the termination requirements where nm cables enter a panel. The cable must be at least 1 1 4 inch from the face of the framing. Cable clamps or cable connectors must be used with only one cable unless that clamp or fitting is identified for more than one cable. In this video we discuss what bx connectors are and.

Mighty merge multi nm cable connectors and transitions can help terminate up to 6 nm cables in one knockout or conduit run.