So a amp AC appliance requires DC amps. New is preferable. Those four prongs correspond to a ground wire, a neutral wire, and 2 volt hot wires! With either model, there is a two-minute delay to protect your air conditioner. Is It For You?
Other forum members have been victims; I've seen 3 or 4 50 Amp outlets where the neutral wire had come loose and was not making contact and I am sure that a previous RV'er left with a problem.
Can You Hook an RV Up to Your Home's Electrical System?
As for maintenance, you should keep the battery terminals clean and make sure the water levels are kept up only use distilled water in batteries. If manufactured home or travel trailer has not been altered by homeowner then breaker and wire size will match. Rating What Else Can Run by: Low voltage could be a problem. Now, there is more terminology that always comes up when talking about RV electrical systems. Doing a little algebra, we get this equation: