professor95 wrote:marksman69 wrote: am a large electrical contractor and actually I have been using what we call "cad weld", I did not know that existed nor did I know that the NEC had been revised to allow such. Unless I have missed something else ...
professor95 wrote:nsbat7 wrote:I'm going to weld a copper cable Just use a good grounding clamp. Technically, the NEC does not allow welding or soldering of grounding connections.BTW - how do you weld copper? I have soldered and silver brazed, but ...
