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the black wire is the hot wire

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Q: When at a 2 pole light switch and the wire colors shown are black white and green which is the hot wire and which is the common?
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What are white black and green colors represent on electrical wires?

In the US, the common usage of these colors is: BLACK: Hot - connected to one phase of the service AC. WHITE: Connected to the Neutral of the service AC. GREEN: Connected to the GROUND bus at the service entrance. At the service entrance, the GROUND and the NEUTRAL bus are connected together.


A light switch has three wire colors red and white and green which is the hot wire and which is the neutral?

Red is hot Green is ground White is neutral


How do you wire a 3 way dimmer switch that has two black wires and one green?

You need to first determine where wires go. If you Google 3 Way Switch you can get a diagram. Each switch has 3 contacts.. Think about a kids teeter totter. Each end represents a switch contact and the center is a common point. You connect the ends to either end on the 2nd switch. The common contact on one switch goes to supply power hot side and on the other switch the common point goes to the load. Then the neutral of supply connects to the load neutral and the supply ground connects to the ground of the load.


On a light switch what color is normally the ground wire?

That depends on the country, and the type of circuit. In the US, on 120 volt circuits, the ground wire is usually a bare, uncolored wire or a green wire that is attached to a green terminal screw. DC circuits have a red positive, black negative, no designated ground. In other places, there are other voltages, other codes, and colors will vary.


How do you install a 20 amp switch for well pump?

Black/White/Ground power in and the same out. Tie the incoming and outgoing white wires together under a yellow wire nut and push them back in the box. Tie the ground wires together under a green wire nut and connect the pigtail from those ground wires to the ground screw on the switch. Connect the 2 black wires you have left to the 2 screws on the switch. Doesn't matter which black wire you connect to which screw.

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What colors give you olive?

green and black.