What Colour Is L1 On A Light Switch

By | December 1, 2021



Turning the lights on isn't as straightforward as it used to be. With so many varieties of light switches, it can be confusing trying to figure out which switch turns on what light. One of the most common questions people have is: What colour is L1 on a light switch?

The answer is simple: the L1 terminal is usually black. Usually, the L1 terminal will be in the bottom left corner of the switch and is the main power line terminal. This means that when the switch is turned on, electricity flows from the L1 terminal through the switch and into the device connected to it. This is why it's important to know what colour the L1 terminal is - to make sure you're connecting the right wires and avoiding potential electrical hazards.


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