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Shaping Smarter Regulations

Testing Grounding Systems

The Industrial Minerals Association – North America (IMA-NA) would like to see MSHA’s regulations at 30 CFR 56/57.12028, regarding annual verification testing for electrical grounding systems, revised. The rule provides:

Continuity and resistance of grounding systems shall be tested immediately after installation, repair, and modification; and annually thereafter. A record of the resistance measured during the most... more »


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