Originally Posted by renosteinke
The OP was asking about the device that came with the air conditioner


That is true and that question was answered, Mike brought up GFCIs in general, I was responding to that.

Originally Posted by renosteinke
Somehow these problems magically disappear if the unit is 'hard wired.'


Yes, just like a circuit that is overloaded is 'magically fixed' by switching to a larger breaker. smirk

If the unit has 30 MA of leakage current and it loses the ground it is now deadly.


Bob Badger
Construction & Maintenance Electrician
Massachusetts