The old "back stab" outlets aren't used any more. They used to have some
metal teeth that grabbed the wire. Now days, you slip the wire in, and
tighten the screw on the side.
It's also fine to loop the wire around the screw, and tighten that way.
I've never seen a Romex wire gauge (tool for measuring). I mostly just read
the packaging to determine the gage (size) of the wire. Where did you find a
The outlet did come with instructions, right?
I\'m Christopher A. Young;
and, I approved this message.
Click to see the full signature.