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The hot wire could be either the black or red wire, as both are commonly used for hot wires in electrical wiring. It's important to use a voltage tester to determine which is carrying the current before working on the wires.

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Q: Which is the hot wire if there are both black and red wires?
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Continue Learning about Natural Sciences

Would the black wire be line 1 on 240V line in?

No, the black wire is typically associated with line 2 in a 240V line. In a 240V circuit, there are two hot wires - line 1 (black) and line 2 (red), as well as a ground wire and sometimes a neutral wire.


Which wire is hot with two black wires and one green on extension cord?

In a standard extension cord, the wire that is hot is typically the black wire. The green wire is usually the ground wire, while the second black wire may be neutral. It's always best to use a voltage tester to confirm which wire is hot before handling the wires.


Should you attach the ground wire to the black wires?

No, the ground wire should be attached to the green or bare copper wire. The black wires are typically live or hot wires and should never be connected to the ground wire.


If there are a red wire a black wire and a bare wire in a 120 volt supply wire which is the hot wire?

The red wire is likely the hot wire in this scenario as it is a common color for power wires. Black is often used as the load wire or neutral wire, while bare wires are typically the ground wire for safety. However, it's best to use a voltage tester to confirm which wire is hot before working with them.


Have a red white black wires for a dryer plug what wires are hot ones?

In a typical dryer plug, the two hot wires are usually the red and black wires. The white wire is typically the neutral wire and the green or bare wire is the ground wire. Always consult the manufacturer's instructions to be sure.