['Specialized Industries']

['Mining']

04/14/2026

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REGSENSE
Topic Search
Specialized Industries - Mining

§75.701-4 Grounding wires; capacity of wires.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

Where grounding wires are used to ground metallic sheaths, armors, conduits, frames, casings, and other metallic enclosures, such grounding wires will be approved if:

(a) The cross-sectional area (size) of the grounding wire is at least one- half the cross-sectional area (size) of the power conductor where the power conductor used is No. 6 A.W.G., or larger.

(b) Where the power conductor used is less than No. 6 A.W.G., the cross- sectional area (size) of the grounding wire is equal to the cross-sectional area (size) of the power conductor.

['Specialized Industries']

['Mining']

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