Electrical · E-JHP54

Main Ground Bus Bar and Conductor Connections

Materials

Concrete Metal (misc.)

Elements

Connections / Plates

Connections

Welded Connection Bolted Connection

About this detail

A copper main ground bus bar is mounted on insulators and supported by offset brackets. Ground conductors attach to the bus bar using two-hole lugs secured with bolted connections, with cables joined via exothermic welds or listed connectors. Ground connections route to cold water metallic pipes, concrete-encased electrodes, in-ground metal support structures, and reference ground bars in electrical, telecom, and technical equipment rooms. Bonding bushings with jumpers provide continuity to metallic piping.

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