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Code of Federal Regulations Title 30. Mineral Resources § 30.75.703–2 Approved grounding mediums

Current as of January 02, 2025 | Updated by Findlaw Staff

For purposes of grounding offtrack direct-current machines, the following grounding mediums are approved:

(a) The grounded polarity of the direct-current power system feeding such machines;  or,

(b) The alternating current grounding medium where such machines are fed by an ungrounded direct-current power system originating in a portable rectifier receiving its power from a section power center. However, when such a medium is used, a separate grounding conductor must be employed.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 30. Mineral Resources § 30.75.703–2 Approved grounding mediums - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-30-mineral-resources/cfr-sect-30-75-703-2/

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