Originally Posted by breid1903
the hot cord method
Now it has a name: HCM!
Actually, it only checks plug/socket contact resistance.
For a whole house elec. check all the way back to the pole t'former you need a DVM and a 10A load [like a hair dryer] and about 5 min per outlet.
Or get Ideal's 65-165 tester; that thing will answer your questions before you even ask them.