Went out to look at a job a sparky was having trouble with simple cct wired through a GFCI to a bench grinder,motor started,then tripped the breaker,checked this that,then found the cable had 4 ohms resistance on the noodle,replaced the romex with 3 core 10mm,all I had on the truck,everything ok,checked the other roll all the neutral was copper plated steel,took it back,.replaced without question,you guys there ever have this stuff happen to you?:jawdrop: