Is Red Or Black Wire Hot

In standard 120 volt wiring the hot wire is black but it can also be red.

Is red or black wire hot. The additional wire is hot but switched off at the switch. So you use a red wire coming out of the switch you know that the black one is always hot and the red one is sometimes hot i e. In most cases you see a red wire in an outlet box only in special circumstances. The primary hot wire is black and attaches to the off side of the switch the on side of the switch in this case is red and that goes to the light the white common or secondary circuit that comes from the circuit breaker should be in the light switch box to connect to the white wire coming from the light bulb socket if you have a switch next to the one you are working on the white neutral wire.

White wires with black or red tape. Check the wire with a non contact voltage tester with the power and. Typically this is indicated with a band of black or red electrical tape but other colors may be used wrapped around the wire s insulation. The load wire is always hot black or red wire and the line wire is the one that returns to your fusebox usually white.

Answer above is absolutely wrong written by someone who does not know. Except in rare cases it is a hot wire or a switched hot wire. One is that the outlet is a 240 volt one which requires an extra hot wire. The exact purpose of a red wire for a light fixture can vary.

Red wires are also hot wires. As hot wires can be connected to each other a black wire can be connected to a red wire. Another is that the box is on a circuit three way switch loop. White wires are always neutral in 110 volt circuits but can be used as the second hot wire or switch leg in 240 volt applications and three way switches respectively.

When switched on and you connect the red and not black to your light fixture connect the white to the other side of that and like magic you have a light you can control with the wall switch.