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§ 690-322. Grounding

Purdon's Pennsylvania Statutes and Consolidated StatutesTitle 52 P.S. Mines and MiningEffective: January 5, 2009

Purdon's Pennsylvania Statutes and Consolidated Statutes
Title 52 P.S. Mines and Mining (Refs & Annos)
Chapter 12. Bituminous Coal Mine Safety Act of 2008 (Refs & Annos)
Chapter 3. Electrical Equipment
Effective: January 5, 2009
52 P.S. § 690-322
§ 690-322. Grounding
Currentness
(a) General rule.--In a direct-current electrical system, grounding shall consist in so connecting any part of an electrical system, including frames, to the earth that there shall be no difference of potential between them.
(b) Negative side to be grounded.--Only the negative side of the direct-current circuit shall be grounded.
(c) Rectifier diodes.--Rectifier diodes used at any bituminous coal mine shall be connected to the supply circuit through an isolating winding in order that isolation between alternating current and direct-current systems is effective.
(d) Initial installation.--The initial installation of rectifiers at any bituminous coal mine shall be approved by the department before being energized.

Credits

2008, July 7, P.L. 654, No. 55, § 322, effective in 180 days [Jan. 5, 2009].
52 P.S. § 690-322, PA ST 52 P.S. § 690-322
Current through Act 13 of the 2024 Regular Session. Some statute sections may be more current, see credits for details.
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