Which wire is positive when both are black?
If the multi-colored wire is black and red, the black wire is the negative wire, while the red one is ...
If the multi-colored wire is black and red, the black wire is the negative wire, while the red one is ...
If your outlet's polarity is reversed, it means that the neutral wire is connected to where the hot wire is ...
Blue and yellow wires are sometimes used as hot wires and as travelers, green wires (and bare copper wires) are ...
Black wires are never used for a ground or neutral wire and are meant to be used as the power ...