One of the main thick black wires feeding my service panel from the meter is very warm to the touch and is in turn warming the whole breaker box. or vice versa.
Over the past few months a couple of circuit breakers have tripped. I reset them and all is well for a while. The wiring of these circuits is OK I think and they seem to trip while not even under a load.
If I feel the main wire several inches down towards the bottom of the box (and toward the meter), it is not warm.
This is a 200 amp service, but is warm even when there is nowhere near that much in use.
I have tried tightening all the connections inside the box.
Is it possible that the brand (Federal Pacific Electric Stablock) or age (25+ years) is the culprit?
Is is possible to replace the innards and breakers of the box itself so I don't have to tear the wall apart?
Thanks for any insight.
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