Nonmetallic Sheathed Cable

DOE-HDBK-1092-98

8.1.10.4 NONMETALLIC SHEATHED CABLE

Nonmetallic sheathed cable shall be used as allowed by the NEC and as follows:

1. Along studs, joists, or similar supports closely following the building finish or running boards

when 7 ft 8 in. or more above the floor

2. When firmly attached to each cabinet, box, fitting, or fixture by means of a cable clamp.

Nonmetallic sheathed cable shall not be used where precluded by the NEC as follows:

1. As portable extension cords

2. Lying on the ground subject to any type of traffic

3. Where subject to frequent flexing

4. As service entrance cable.

See Figure 8-1 for a detailed illustration of installing temporary wiring methods. NOTE: The 1996

NEC does not permit open wiring or conductors except as allowed in NEC Section 305-4(b) and (c)

Exceptions.

NEC Article 305

OSHA Sections 29 CFR 1910.305(a) and 1926.405(a)

Figure 8-1. Cables, cable assemblies, or multiconductor cords can be used for temporary wiring systems under

certain conditions of use.

8-4