WIRING TWO BLACK
If I Have Two Black Electrical Wires, How Can I Tell Which
The United States has strict codes relating to home wiring, including clearly defined colors on the outer casing of the wires. Black means hot, white signifies neutral, and green indicates ground. However, if you need to rewire a light switch or a plug socket, you may occasionally come across two black wires.
Two Black and Two White wires for GFCI | This Old House
Jun 01, 2013the black wire that's live and the corresponding white one get attached to the bottom two screws on the GFCI, black to g-old and white to silver. the other white and black wires go to the top two screws and feed other outlets. the copper wire that's attached to the box should stay attached to the box and the other end of it will attach to the green screw on the GFCI outlet.Black and white wires both hot | This Old HouseJul 21, 2013GFCI outlet has 2 white and 2 black wires | This Old HouseFeb 23, 2012White, Black and Red wire question | This Old HouseNov 01, 2011See more results