When I first read through it quickly, all I could see in my minds eye was a spark of electricity coming from an ac outlet - with an icicle of frost on it.
Yeah, I know...But no, the outlets should not need to be heated as no water "should be left inside".
Brenda and John
'14 Ram 3500 MCSB 6.7L HO PullRite 16K S/G, Grey Columbus 320RS Camped '14 - 146 days/'15 - 196 days
USN-EOD(Ret), Master Chief, 30 yrs,
Master Blaster of the Navy