ATXBreeze Posted October 25, 2021 Share Posted October 25, 2021 Hi All. Electrical panel suddenly humming (where the fuses are) low hum first, that gradually grows louder. This happens just as soon as i plug into shore power. I use a 15a male to 30a female 12" RV Camper Power Electrical Adapter Amp DogBone Converter (almost always, rarely use the 3 prong, see pic). Started overnight about a week ago, not a peep prior since I bought the RV about a year ago. I flip the the blue breaker off and the hum stops, flip it back on it the hum returns. Everything works just fine prior to the hum. Ideas, solutions, suggestions, etc. Thank You! Max Quote Link to comment Share on other sites More sharing options...
WME Posted October 25, 2021 Share Posted October 25, 2021 I'd be willing to bet you have an original (old style) converter. They have a very large power transformer in them. Overtime the core loosens and will start to hum at a 60 Hertz rate. Read up here for information and the answer. https://www.bestconverter.com/Upgrade-Kits-for-MagnetekParallax_c_64.html Quote Link to comment Share on other sites More sharing options...
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