Reverse Polarity showing on surge protector
I have a Mini-Lite 1901 with 30 amp power. I have a surge protector with indicator lights that will show a Reverse Polarity condition. I do not have a 30 amp plug at my home so I have used an adaptor to allow me to plug into a normal household plug just to keep the battery charged.
Today, I plugged in my camper power cord to surge protector to adaptor to extension cord and the lights showed Reverse Polarity. I've only done this once before and can't be 100% sure but am almost certain I checked those lights the first time and all was well. Today, I was using a new 15 amp extension cord in a different outdoor plug than before so I first changed to the plug I'd used before and still RP. I then went back to the extension cords I was using before and still RP. Then, I unplugged the camper power cord and just had the surge protector plugged into the adaptor then into the power cord and the lights were normal - no RP. That really confused me and I don't know where to go from here. I wouldn't think it would matter but since it's power related, I'll note that my RV battery is turned off.
I appreciate any ideas as to what else to test. I just returned from a trip where all things worked normally and indicator lights for power were good. Thank you!
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2015 Rockwood Mini Lite 1901
2017 Ford F150 EcoBoost
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