50 Amp wiring
I just bought a house that has an RV pad. Unfortunately, it is wired for 30 amp service. I need to get an electrician out to convert to 50 amp to support my rig. My question is whether a licensed elec...
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The key is are the 2 120v feeds in the circuit in phase with each other or out of phase. They must be out of phase to balance the load on the neutral. If you read zero volts between the two hot wires it is wired wrong, they are both a phase or b phase. You must be able to read 240 volts between the hot wires. The neutral is a center tap on the transformer load side. If the two 120 v hots originate on the same side of the center tap you have an unbalanced circuit. Dangerous. Period.
