Electrical · E-XRWJ8

Electrical Vault Grounding Electrode Routing and Waterstop Detail

Materials

weld

Elements

Walls Vaults / Domes Entrances

Connections

Welded Connection

About this detail

The grounding electrode conductor routes through a knockout in the vault wall alongside the duct entrance or exit. A waterstop, such as a Cadweld or equivalent, is placed in the center of the wall at each point of entrance. The conductor is fastened to the interior walls at four feet on center using ground rods, and new manholes utilize exothermic welds or Burndy Hy-Ground connectors. Frayed ends of the conductor must be taped.

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