Black And Red Wires. Before this change old wiring colours in the uk for 2 core wire were red live black neutral and earths are either bare or yellow and green whereas with 3 core cable live red blue neutral additional yellow and earth either bare or yellow and green. The other outlet powered by the black wire which always has power is always on. They may use other colors for switch wiring such as yellow or tan.
If both wires are black but one has a white stripe the striped wire is negative while the plain black wire is positive. One is that the outlet is a 240 volt one which requires an extra hot wire. Before this change old wiring colours in the uk for 2 core wire were red live black neutral and earths are either bare or yellow and green whereas with 3 core cable live red blue neutral additional yellow and earth either bare or yellow and green. They may use other colors for switch wiring such as yellow or tan.
While wires designated as hot black or red insulated wires carry power from the service panel breaker box to the device neutral wires carry power back to the service panel.
Then the red wire in your box goes to the non white wire on your ceiling fan which is often blue. While wires designated as hot black or red insulated wires carry power from the service panel breaker box to the device neutral wires carry power back to the service panel. When you see a red wire in an outlet box it s usually because the outlet is a switched outlet. How to replace an electrical outlet 00 00. They may use other colors for switch wiring such as yellow or tan.