Originally Posted by nealtw
It's not rocket science. Power comes in from breakers, one wire to the element, the other goes to ther. and comes back to hook to the other wire of the element. All that seems to be there, so what is that wire for??
If none of us can figure it out, maybe it is rocket science.
The wire can go
-to a switch
-to one side of a load
and systematic testing with a light bulb, a heavy load like a hair dryer, and DVM will find out which.
BTW, I used to work on sounding rockets.