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50 amp breaker box for rv11/15/2023 Possibly, this is the cause of ‘hot skin’ situation the OP mentioned. The mess of wires below the breakers concerns me more. Reading the description of the box as being 120/240, I think the 50 amp is a double pole main breaker. Just something else to think about when pondering what has happened. So if there has been some added on then that might explain why a sudden change in the way things are happening. Since you have owned the coach, have you added an appliance that required another 15 amp circuit? Also do you know what that dual breaker is feeding within the confines of the coach? You may or may not be aware that the dual handle breaker feeds 15 amps for a total of thirty amps off of just one leg of a 120 volt circuit, which means that one leg is capable of pulling 35 amps, while the other is capable of pulling 50 amps off of the other leg. The dual one looks to have been added at a later time, it probably was changed out with a single handle square d breaker at the time that it was put into the box. Looking at the photo of the breaker box, I notice that there are four square D breakers, 1 fifty amp (don't know if that is a 50 amp 240volt, or 50 amp 120 volt which is rare to see a 120 volt), which is probably the main breaker for that box, if it is 120 volt it is not the feed for the box, 2 20 amp, then a dual 15 not with square d logo, then another 15 with square d logo. Link to the information covering the Onan 5500 series and the different configurations for LP and Gasoline. Not a lot of extra load capability beyond the 2 AC units. You need to remember that when running the generator you have just a little more then 50 amps of current supplied from the generator. I see that your coach is wired for 50 amp shore power. You might want to make sure that all the electrical connections are tight at the generator, transfer switch and ac breaker panels. Start each roof AC and note the Current requirement of the rear and the front units. Do any of you have a clue what may be happening? Such as a common Onan 5500 generator issue that may cause an internal short?Īs suggested in one of the reply's to your question. I have physically removed the plug and junction box from the generator and found nothing disconnected, nothing burnt, nothing shorted. So I am looking at six foot of wiring, generator to plug. In this 2002 Georgie Boy the electrical plug is either plugged into shore power or plugged into the generator. No house breakers have ever shut off when using the generator nor when plugged in. When the rear a/c is switched on one of two things happen, the generator shuts down or the generator breaker snaps to off. When I operate the Onan generator only the forward a/c operates. I connect to 50 amp shore power with no problems operating all appliances including 2 a/c units.
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