['Specialized Industries']

['Mining']

04/14/2026

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REGSENSE
Topic Search
Specialized Industries - Mining

§75.805 Couplers.

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

[Statutory Provisions]

Couplers that are used with medium-voltage or high-voltage power circuits shall be of the three-phase type with a full metallic shell, except that the Secretary may permit, under such guidelines as he may prescribe, no less effective couplers constructed of materials other than metal. Couplers shall be adequate for the voltage and current expected. All exposed metal on the metallic couplers shall be grounded to the ground conductor in the cable. The coupler shall be constructed so that the ground check continuity conductor shall be broken first and the ground conductors shall be broken last when the coupler is being uncoupled.

['Specialized Industries']

['Mining']

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