How do you identify a neutral hot Traveller wire from a three-way switch?

Quote from the video:
Quote from Youtube video: If no house current is found on any of the three wires. Go to the other switch. And do the same thing one of the wires will have house current and that wire is the hot wire mark.

What is the traveler wire in a 3 way switch?





Quote from the video:
Quote from Youtube video: Now let's see how a three-way switch works when in action electrical current travels from the power source and arrives at the common screw on the first terminal. The current will either try to pass to

How do you wire a 3 way switch with 4 wires?

Quote from the video:
Quote from Youtube video: Before. We get started go ahead turn off the circuit breaker. First I'm going to strip the insulation from these two wires wire.

How many wires does a 3 way switch have?

three wires

With a three-way switch, three wires connect the pair of switches—two black “traveler” wires and a third “common” wire.

How do you test a 3 way switch?





Quote from the video:
Quote from Youtube video: Now we move the switch to the top position you can hear the tone. And you can see the meter. Is going to all zeros. Here. We have a good connection on this side of the switch.