Originally posted by Dspark:
Yes, but my point is that the current needs to get to the EGC, into the service panel, and onto the GC back to the xfrmr. Getting to the earth outside the window is not what grounding is all about.
Ah... Our different grounding systems again! I guess if the pipe used to ground a receptacle was properly bonded to the N-G busbar it would be OK, but it seems kind of tacky. And someone might come along later and cut out part of that pipe and insert a plastic coupling.Ya do th'hokey-pokey and ya turn yerself aroun'...
"Hokey-cokey" here, for anyone who's remotely interested!
I see these over-simplified explanations here regularly. I'm always saying to myself, "Ah, yes, but..."