On the other end the two white wires are wire nutted together. There are three screw terminals on the body of the switch in addition to the green grounding.
Swap Out Those Old Crappy 3 Way Light Switches For Good Cnet
3 way switch black screw. Two of the terminals are a light colorbronze or copper coloredand are called travelers. The black and red wires from the white cable running between the switches get connected to either of the two brass screws on the switch. There are no onoff markings on the switch toggle. 3 way switch all wires are hot. The black wire from the circuit breaker panel gets attached to the black screw on the 3 way switch. On the power coming in from the panel you would connect that black wire to the one black screw.
A more positive way to identify a 3 way switch is to look at the body of the switch and count the number of screw terminals. The single dark colored screw is known as the common terminal. The black and red wires from the white cable running between the switches get connected to either of the two brass screws on the switch. There are two clear giveaways that identify a switch as being a three way type. And on the other switch you would connect the black wire coming from the light to that black screw. The black wire from the circuit breaker panel gets attached to the black screw on the 3 way switch.
What is the black screw on a three way switch. Wire 2 way switch a light switch wiring 3 way switch wiring variations wiring a 4 way light switch wire dimmer switch wire 3 way switch circuit 3 way switch black screw 3 way switch jumper wire 16132systembeimroulettede. Such markings are not needed with this type of switch as they are. 3 way switch install however on each 3 way switch you have a black screw this is the special one. On the other end the two white wires are wire nutted together. A 3 way switch has three terminal screws plus a ground screw.
Gallery of 3 Way Switch Black Screw
