Electrical · E-5FPRN

Equipment Ground Connection

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A metal grounding bushing with an insulated throat is installed on conduits where they connect to a metal enclosure such as a switchboard, panelboard, transformer, uninterruptible power supply, or pull box. An insulated green copper ground conductor connects the conduit bushing to the equipment grounding bus, sized per the feeder schedule. For equipment lacking a grounding bus, a jumper terminates directly to the metal enclosure using a properly prepared surface and lug.

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