OK, here is why I need 40' of extension. Actually, I have a 50 amp MH. I will use it to operate my refrigerator for a day and a half before I leave on a trip. I can't get my rig close enough to plug in without one. Don't intend to run anything else, except a light or two while loading up.
Me, Mrs., and Maggie
2015 Precept 31 UL
2015 Equinox, Blue Ox Avanta LX