Electrical · E-VMTV7

Equipment Grounding Detail

Materials

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Metal conduits terminating at any metal equipment enclosure such as a switchboard, panelboard, transformer, UPS, or pull box require a metal grounding bushing with an insulated throat. An equipment bonding jumper connects the bushing to an equipment grounding bus. For enclosures without a dedicated grounding bus, the jumper terminates directly to the metal enclosure using a properly prepared surface and lug.

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