hogbobExplorerMay 18, 2018Transfer switchHello When you are plugged in at an RV park should your transfer switch be humming. I just had a new 50 amp head put on my cord and now i am not sure if it used to hum before. Thank you for any hel...Show More
rvsatekExplorerMay 19, 2018No it should not make any noise. I think I would have the new plug checked to see that it was installed correctly.