Nm Wire Run Through Residential Attics

You simply mount a small plastic clip to every other joist.

Nm wire run through residential attics.

In most cases the nm cable must closely follow the building surface or another means of support for the cable must be provided. Normally the cables carry 10 12 or 14 gauge conducting wires for individual house circuits. Once you are running the wire feed both ends of the wire through their corresponding holes and climb down from the attic. Any nm cables bundled together for more than 24 will require an ampacity adjustment.

Fold the ground wires neatly into the back of the box photo 11. There should be no excess wire or ends left in the attic. Step 8 locate the wires at the sites where you fed them to from the attic and complete your connections first then secure or conceal the rest of the wire. Nec 336 18 and 370 17 type nm nonmetallic cable shall be secured at intervals not exceeding 4 1 2 feet and within 12 inches of each box.

If a lot of wires are already hanging from the bottom of the floor joists you can run the wires through raceways that fasten to the bottom of the joists. Wiring methods type nm wire support type nm nonmetallic cable shall be secured at intervals not exceeding 1 4 m 4 5 and within 300 mm 12inches of each box. However if a single gang device box without. Many basements attics and storage areas do not have drywall applied so the trusses joists or framing members are left exposed.

Snip all the white neutral wires to the same length 6 in. After you窶况e run the wires through the clips you snap a plastic cover over the entire assembly. It could be installed exposed in a residential garage or in an attic or basement. Nm cable also commonly known by the common trade name romex is the most common form of electrical wire.

Push the long wire through the hole in the top of the special green wire connector and connect the remaining wires to it by twisting the connector clockwise until it s tight.