Electrical Wiring Diagram For 2 Way Switch. This switch consists of a total of three terminals common l 1 and l 2 respectively. As you can see in the schematic diagram of 2 way switch circuit below the common of both the switches are short circuited.
The way i show allows you to fairly easily add a second two way switch to an existing light switch by simply wiring them together in a certain way. Cable d fig 2 is a three core and earth this is the 3 wire control that links the two light switches together. Two way switching explained how to wire 2 way light switch https www youtube com watch v opoeswrp jg featu fan coil unit light switch emergency electrician.
The light is on when the com terminal of both the switches is connected with l 1 or l2 terminals.
A common c l1 and l2. It shows the components of the circuit as simplified shapes and the facility and signal associates between the devices. A common c l1 and l2. The l 1 and l 2 terminals of both the switches are connected together.