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...
The fireplace probably has a cool down cycle when you turn it off, where the fan continues to run for a minute or so. The electric fireplace unit in my house works that way. It shuts off completely after the cycle is finished.