Romex Wiring In Attic

If youcome across a wire or romex cable that nee.

Romex wiring in attic.

Most of the wiring in a modern home consists of runs of nonmetallic sheathed cable or nm cable also known by the popular brand name romex. Nec 334 23 in accessible attics. Romex electrical wiring running over the roof joists in attic. I want to install an attic ladder and i understand that code press j to jump to the feed.

One other way that nm cables in an attic become damaged is when a homeowner lays down boards or pieces of plywood directly over the cables compressing them against the top of attic floor joists. But the vintage copper wiring in many older houses works just as well as the new stuff as long as it s in good condition and hasn t been altered in a way that violates code. Nm cable must be supported by framing when running through walls ceilings and floors. Today s standard household wiring is a plastic sheathed insulated three wire cable universally known by the trade name romex.

The edge of a board over a cable is especially problematic because it tends to cut into the cable a little deeper each time the board is walked or crawled over. Probably not important to the question i have but i punched the junction box into the attic space above to install the light. Let s go straight to the book non metallic sheathed cable type nm typically called romex is covered in nec section 334. The national electrical code nec outlines specifications for securing nm cable and other electrical wiring.