In article , Doug Miller
wrote:

What brand of receptical are you pluging it into? I had a similar
problen several years ago after some ham handed carpenters doing some
work at my house yanked theirplugs out at an angle and broke the
plastic insulating material. When you then tried to plug another cord
into the recpt. it would short and trip the breaker. The recpt's were
Hubble.

Chuck P.