This electrical detail shows a non-directional bond support connecting a peripheral ground ring using a number 2 American Wire Gauge green insulated stranded copper wire. A supplementary ground or unit bond utilizes a number 6 American Wire Gauge green insulated stranded copper wire. The conductors are tied together using crimp-type parallel taps, specifically Thomas and Betts catalog number 54740 or 54730 as required. The entire assembly secures to a peripheral ground ring mounting base.
A D A B C C A D C B A LEGEND PERIPHERAL GROUND RING - #2 AWG GREEN INSULATED STRANDED COPPER WIRE. SUPPLEMENTARY GROUND (OR UNIT BOND) - #6 AWG GREEN INSULATED STRANDED COPPER WIRE CRIMP TYPE PARALLEL TAP - T & B CO. "C TAP" CAT. #54740 OR #54730 AS REQUIRED. PERIPHERAL GROUND RING - MOUNTING BASE
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