Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. One way lighting circuit using in line switching.
1 Gang 2 Way Light Switch Wiring Diagram Wiring Diagrams
2 way light switch diagram uk. Line diagram of a one way lighting circuit using in line method fig 1. Say we are working on the light upstairs so we turn off the upstairs lighting circuit thinking we are safewrongthe live is picked up downstairs and there are still live conductors feeding the switch upstairs and if someone flipped the downstairs switch in this diagram that live feed would extend all the way to the lamp too youre fried. 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. For wiring a two way switch 3 coreearth cable is used. Two way switching explained how to wire 2 way light switch duration. Where 0 represents the off condition and 1 represents the on condition.
They are wired so that operation of either. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 2 way switch 3 wire system new harmonised cable colours 2 way switching means having two or more switches in different locations to control one lamp. The red wire from the feed cable is connected to the top terminal the red wire going to. The engineering mindset 3374613 views. A one way light switch is quite easy to wire up.
This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. You have an incoming hot wire black going to one screw it does not matter if you use the brass or silver screw on the side of the 2 way switch and a black wire from the other screw on the 2 way switch going to the load light ceiling fan etc. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. This cable consists of three cores brown grey and black which are all line colours and an earth wire. The cable going to the light switch is connected as follows fig 2. This method is commonly used now days as it is efficient than the two wire control system.
Schematic diagram of new wire colours. Uk domestic lighting circuits loop in at ceiling rose. 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. Wiring a 3 way light switch. Connect the blue wire with the brown. A two way switchuk schematic diagram of old wire colours.
Notice the black wire is the only wire that we are controlling through the 2 way switch. How to connect 2 way switch wiring using three wire control. For simplicity the earth wire is not shown in the above diagram. The first reason this is bad is on safety grounds. Connect the line brown wire coming from the light together with the 3 coreearth cable black wire in to the l1 terminal of the two way switch.
Gallery of 2 Way Light Switch Diagram Uk
