wireman1
Senior Member
the power company ppl is running the cables from the transformer to the switch gear 4000 amp main breaker .power company will terminate and do all the testing necessary it is a open bottom switch gear .the electrical contractor is required to supply the conduit bonding bushings and bond them together power company requires a 4/0 copper wire for this install can you take a single wire from each of the pipes to a grounding bar and land them on it is a 1/0 wire ok electrical contractor will supply and install the 4 inch conduit