A bronze cross bar wraps around metal piping and secures with two bronze hex nuts and lockwashers. A single-hole compression lug from the T&B series 54104 mounts to the assembly using a lockwasher and nut. This detail applies to all plumbing, HVAC, and fire protection sprinkler metal piping using a standard water pipe ground clamp assembly T&B catalog number 3902 BU series.
LOCKWASHER AND NUT SINGLE HOLE - COMPRESSION LUG T & B SERIES 54104 BRONZE CROSS BAR BRONZE HEX NUT (2) WITH LOCKWASHER NOTES: A. THIS DETAIL APPLIES TO ALL PLUMBING AND HVAC METAL PIPING AS WELL AS SPRINKLER PIPING. B. STANDARD WATER PIPE GROUND CLAMP ASSEMBLY T & B CAT. NO. 3902 BU SERIES.
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