Electrical · A-8ZCEW

Pbb/Sbb Bonding Detail

Materials

Metal (misc.)Steel

Elements

Anchors / Embeds Columns Connections / Plates Entrances Insulation Windows

Connections

Bolted Connection

About this detail

A primary bonding busbar (PBB) or secondary bonding busbar (SBB) is mounted on standoff brackets and insulator posts. Front, side, and end views detail busbar dimensions, insulation mounting holes, and lug connections. A sizing table for the telecommunications bonding backbone correlates linear foot lengths with American Wire Gauge sizes. Additional notes specify requirements for conductor labeling, green color coding, and routing paths away from structural steel and ducts.

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