However if you need two switches to control a single lighting circuit such as in the case of at the head and foot of stairs so you can switch the lights on and off in both places you need to understand a 2 way switch. It doesnt matter if you reverse the two switch wires to a single pole dimmer.

1 Way Dimmer Switch Wiring Diagram H1 Wiring Diagram
1 gang 1 way dimmer switch wiring diagram. How to wire a one way lighting circuit in this tutorial i show how to wire a one way light switch i show how a 1 way and 2 way light switch works i explain how to wire a ceiling rose how to. Typically these terminals will be marked com and l1 sometimes l1 and l2. 1 way rotary or 2 way push onoff dimmer switch 2 way push onoff dimmer switch 2 way plate switch to light live earth switched live all earth wires must be sleeved and terminated to the back box. Remote operation can take place from up to 15m away and the last light level is stored in the memory. Having additional lights wired in parallel will not change the wiring below. 3 way dimmer switches typically come with the following pre wired leads.
A 1 gang switch will control a single lighting circuit and with a 2 gang switch you can control two lighting circuits and so on. Although technically it doesnt matter which way round you connect the wires it is best to stick to convention and connect the permanemt live from the supply to com and the switched live to the lamp. Find our diy wiring a 2 way switch video diagrams and explanation. There are two terminals in a one way light switch. Information and step by step guide on how to wire a 1 gang 1 way light switch. For multiple gang dimmer 2 3 4 repeat wiring method for each dimmer.
The unit below is suitable for a 40w to 300w. Attach to the bonded ground wires in the switch box. When the switch is on both terminals are connected together. But if youre replacing a three way switch with a three way dimmer label the common wire itll be labeled on the old switch when you remove the old switch so you can connect it to the common terminal on the dimmer. For multiple gang dimmer 2 3 4 repeat wiring method for each dimmer. These wires attach to the travelers which are the pair of wires attached to the two screws at one end of the regular 3 way switch.
Here is a picture gallery about 2 way dimmer switch wiring diagram complete with the description of the image please find the image you need. Wiring a standard 3 way dimmer switch. 2 gang rotary twin dimmer switch. Line switch load switch 1 if your wiring is like the diagram below you can wire your smart switch in the box with line. Plus learn how to change a single. Most are remote or manually controlled.
3 way switch wiring diagrams do it yourself help throughout 2 way dimmer switch wiring diagram image size 502 x 330 px and to view image details please click the image. There are also remote control dimmer switch units available easily replacing a standard switch or existing dimmer switch.