I carry one of the wifes old curling irons on the truck, compact and all I've got to do is plug it in and it is pure inductance.
Climb High - Dive Deep - Everyone Goes Home!
Superbeast is a great tool and will also help find some future problems
I carry a toaster which I can plug in. Most service panels have a construction outlet by them. Also if no one is home you can use clip cords in the meter socket to test the hot legs and the neutral of the service.
Bob Mc