NM (NONMETALLIC) SHEATH CABLE, WIRE
Description: This type of cable has a flattish, cream-colored thermoplastic jacket and contains two or three wires, each covered with insulation and wrapped with spiral paper tape; it also has a paper-covered copper ground wire.
Buying information: NM cable is used for house wiring, in places that are always dry and that aren't subject to salt, oxidation, or other attacks from corrosion. This means enclosed by house walls. It comes in 25-, 50-, and 100-foot lengths but is also available in 1,000-foot lengths. However, it is illegal to use in New York City because rats can eat through the plastic, so check the building codes in your area before buying.
How-to hint: There is a stripping tool, called a cable ripper, used for working with NM cable that is inexpensive and makes the job infinitely easier.
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