29 CFR Part 1926
§ 1926.404 — Wiring design and protection
OSHA 1926 · Subpart K — Electrical. Full current text with cross-references on BuildSpec.
§ 1926.404 Wiring design and protection. (a) Use and identification of grounded and grounding conductors—(1) Identification of conductors. A conductor used as a grounded conductor shall be identifiable and distinguishable from all other conductors. A conductor used as an equipment grounding conductor shall be identifiable and distinguishable from all other conductors. (2) Polarity of connections. No grounded conductor shall be attached to any terminal or lead so as to reverse designated polarity. (3) Use of grounding terminals and devices. A grounding terminal or grounding-type device on a…
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