Quote:
Originally Posted by LHaven
Yup, there are clearly is a wiring problem in the trailer. But I can't help thinking that the pedestal is also at fault.
The skin is almost certainly grounded, that is, connected to the frame which has a hard ground on it. Power in the skin should return to the pedestal over the ground pin. This should have triggered a GFI or otherwise popped a breaker.
Now, if the pedestal's ground was disconnected, then the skin would've stayed hot and the danger condition would be exactly as you described. Also, that would explain why you only saw this condition at one pedestal and never in other places. What it wouldn't explain is why the trailer wouldn't immediately pop the breaker on every other pedestal, unless the short was really really high resistance.
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From the OP, 'We have moved to 3 sites now and same issue on all'. That pretty well rules out A pedestal issue.