Shore Power
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Portable or hardwired: protecting your RV from the pedestal
A surge protector and an EMS are not the same product, and the difference is the one that saves your air conditioner. Portable versus hardwired, and which failure each one actually prevents.
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Running the air conditioner on 30 amps
The compressor asks for five times its running current for about a second, and that second is what trips the breaker. Three ways to fix it, and what you give up on the cheap one.