I have never had any problem running lights and refrigerator on a 110 house circuit. When I had a 30 amp 110 receptacle, I could run one ac as well. Check to be sure your cords are not hot and that whatever you are running is running properly, of course.
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2015 Crossroads Cruiser Aire CAF27RL, 2018 F250 diesel crewcab SRW 4WD short bed, Trailer Saver hitch with Reese adapter on Ford OEM underbed 5th wheel connector.
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