I’d like to wire a switched GFCI combo such that the switch controls the GFCI plug. I found this diagram for doing so:
This looks easy enough. However, after unscrewing the current outlet, I’m seeing there are two hot wires and two neutral wires (and one ground):
My house was built in 1948.
What do I do with the extra hot and extra neutral wire?
And, is there a difference between the two neutrals or a difference between the two hots?