This past weekend when I was swapping out my 30A power cable and wiring in a dedicated circuit for the converter I installed a couple of weeks ago I saw something that didn't look right. I found a burnt neutral wire in the power center. Here is a picture of the part of the wire I removed:
This piece of wire was off of the A/C neutral wire. I found that the screw had backed out so much on the terminal block that this wire was loose and could be remove without having to loosen the terminal block screw. I am figuring due to the connection being so loose, it was arcing inside the panel when the A/C was runing. After find this and removing the burnt section of wire I checked all of the other terminal screws on the neutral and ground terminal block as well as all the hot connections on all of the circuit breakers. I found several screw were loose but none as loose as the A/C neutral wire was.
Since these units are constantly traveling down the road and boucning and shaking as they are towed, I am guessing this is what caused these connections to become loose. I have now added checking the connections inside the power distribution panel to ensure they are tight to my annual check list.
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