Fabulous 3 Live Wires In Light Switch

If you re attempting to wire anything more complicated like upgrading a 4 gang light switch to a 4 gang dimmer switch it may be worth taking a quick photo first just in case you get muddled up with the wires and need to revert back.

3 live wires in light switch. If you choose to control your overhead lighting with smart switches or dimmers you ll either want to hire an electrician to install the switch or wire the light yourself. White wire this is the neutral wire. With your light fitting flex they will be brown live and blue neutral.

The 3 wire system is less common than the 2 wire system it includes a neutral at the switch as well as the live and switched live wires. These ratings differ with 1 gang 2 gang and 3 gang versions. One 2 core earth cable takes live and neutral to the switch back box a second cable takes the neutral and switched live to the light.

Bare copper green wire this is your ground wire. The red and black wire either side of the ceiling rose are coloured like this for clarity to show live and neutral. One example of a 3 wire lighting system.

The switch simply cuts off the live current. Cable 3 is the switch cable. How to determine the correct wires to attach to a 3 way switch when the wire and screw terminal color code is not certain.

As you can see more clearly from our diagram in lights and switches this cable interrupts the live flow with a switch. Light switch help with 3 green wires and 3 red wires by bclifton90 mon mar 09 2020 9 31 pm last post by mr white tue mar 10 2020 5 29 am. To help guide you through wiring a light switch yourself we wanted to highlight a great post from the smartthings community posted by sidjohn1.

Red wire this wire is used for 3 or 4 way switches and will connect the switches together so they can each control your lights. Black wire this is the hot or load wire. There are many ways to control and automate your lights with smartthings.