The blue (switch wire) wire will normally have a brown sleeve or tape indicating that it is also a live circuit and not neutral circuit as the colour would normally suggest. For older wiring it's the red (live feed) wire that goes in the top COM terminal and the black (switch wire) wire that goes into the L1 terminal.. Learn how to wire a light switch easily. Single pole, three way and four way light switches can be installed by any homeowner.. This prevents the chances of an arc in the event that something comes loose in the electrical box. This simple diagram should provide you with the basic understanding as to how a single pole light switch is wired.
![[Proper] Two Way Switch Connection Diagram and Wiring ETechnoG](https://1.bp.blogspot.com/-2b3TgDaWSd8/YPk2g6W16MI/AAAAAAAABQ4/vDfo01HzX0wJDCO2q2lPndLhMuEEn2AsgCLcBGAsYHQ/s1484/two%2Bway%2Bswitch%2Bconnection%2Bmethode%2B1.png "[Proper] Two Way Switch Connection Diagram and Wiring ETechnoG")
![[DIAGRAM] Four Way Switch Wiring Diagram Multiple Lights](https://i.stack.imgur.com/1uIZp.jpg "[DIAGRAM] Four Way Switch Wiring Diagram Multiple Lights")
Wiring a new light switch is a great entry point for DIY electrical work. A single pole switch is the simplest component in a house's electrical system. A single pole switch has two positions, on and off. In the on position, it is "closed" and completes the circuit, allowing power to flow to a light, fan or outlet.. Wiring a Switch Loop. When the electrical source originates at a light fixture and is controlled from a remote location, a switch loop is used.. This diagram illustrates wiring for one switch to control 2 or more lights. The source is at SW1 and 2-wire cable runs from there to the fixtures. The hot and neutral terminals on each fixture are.