If you need to know how to wire a two way switch then this is the place to start. Bond the ground wires connect the neutral wires in the switch box and share the power source for the switches then cable out to the light fixture boxes.
3 Way Switch Wiring Electrical 101
2 switch lighting circuit. How to wire two light switches with one power supply. The electrical symbol indicates where power enters the circuit. Strip both ends of each cable. Run cables from wall box. A 2 way switching connection means you can control an electrical equipment like bulb by two switches placed at different places generally used in the staircase. Tag or otherwise mark the circuit breaker to alert others of the work you are.
Install a double switch wall box and run the feed cable. Cable d fig 2 is a three core and earth this is the 3 wire control that links the two light switches together. How to wire two switches to one light fixture. The neutral from the source is connected directly to the neutral terminal on the light and the source hot is spliced with the white loop wire. This circuit is wired with a 2 wire cable running from the light to the switch location. The white wire is marked black on both ends to identify it as hot.
Between the lightbox and the first switch box there should be a length of 2 wire a black white and bare wire inside. Cut 4 inches of sheathing from the ends of all the cables with a utility knife. Two way switch lighting circuit diagrams here is our selection of two way switch circuit diagrams. The cable consist of a black wire a white wire and a bare copper wire. Turn off the power to the light circuit at the main panel. Use the same type and gauge cable as used for the outlet circuit.
When wiring a 2 way switch circuit all youre really doing is controlling the power flow switching offon to the load a light lamp outlet ceiling fan etc now a typical circuit will contain a 3 wire cable known as romex. For the span between the first and second switch boxes run 3 wire romex. Pull one end of each cable through the back of one of the light fixture electrical boxes. This is cable c below one wire connects to l1 and the other to l2 on the top switch. Just like any loop in loop out radial circuit the switch cable from the ceiling rose contains two wires a permanent live and a switched live. Use a circuit tester to verify that the power is off to the circuit you are working on.
Black wire power or hot wire. Run 12 gauge electrical cable between each switch and the light it controls. Two way switch can be operated from any of the switch independently means whatever be the position of other switch onoff you can control the light with other switch. Depending on whether the circuit is 15 amp or 20 amp the cable will be either a 142 or a 122 romex. At sw1 it is connected to one of the terminals. Shut off the power to the circuit.
Gallery of 2 Switch Lighting Circuit
