Transfer switch
Hello 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...
Forum Discussion
When a Transfer switch hums, it may be normal. It depends on the age of the Transfer switch and also the LINE VOLTAGE. You need to check your line voltage and report back on this forum. I doubt they did something wrong on your replacement head. It is just 4 wires. Doug
