![MSHA METAL/NONMETAL ELECTRICAL GROUNDING REQUIREMENTS](/e69yszg/139.jpg)
MSHA METAL/NONMETAL ELECTRICAL GROUNDING REQUIREMENTS
Electric power for the crushing plant and several adjacent installations was purchased from the utility at 480 volts. It was fed from a single pole mounted transformer bank by separate conductors to the electrical control van for the crushingscreening plant, the paint shop, and to the water pump station.