In the United States, what circuit does black wire insulation indicate in a three-wire 120 V AC cable?
Neutral
Hot✓Ճիշտ պատասխան
Equipment ground
Negative
Բացատրություն
In United States wiring practice black insulation marks the ungrounded, or hot, conductor of a 120 V AC circuit. White marks the neutral and green or bare marks the equipment ground, so those choices belong to the other two wires.