I have a simplex 20 a electrical outlet that powers my washing machine.
I would like to remove the simplex and add a two receptacle 20 a GFI so
I may add my wifes &*$@&%$ electric catbox to the laundry room. Only 1
14/2 romex is run inside the wall for the circuit. Is it safe to use
the single black from the circuit and jumper the hot sides of the
receptacle ?