Two Way Lighting Diagram

3 way light switching new cable colours 3 way light switch old cable colours.

Two way lighting diagram. There are a few different methods of providing a 2 way switching circuit these are shown below. The earth wire must be. The cores should be sleeved with the appropriate colour brown red for live and black blue for neutral. Two way lighting circuit using twin earth cable.

You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light. Please note that the some of the below diagrams have been drawn with the older cable core colours others with the new cable colours. Line diagram of a two way lighting circuit using junction boxes fig 1. The power source comes from the fixture and then connects to the power terminal.

Pin1 of both the switches are connected with the phase or live wire and pin2 of both the switches are connected with the one end of the lamp. The other end of the lamp is connected with neutral line of ac power supply. As a rule for these diagrams red brown. A 2 way switch wiring diagram with power feed from the switch light.

Yellow black. Explanation of above picture. The junction box should be wired as shown below. 2 way switch 3 wire.

Old multi point radial lighting diagram using junction boxes. Fig 2 the feed cable comes from a previous junction box or from the consumer unit the red black and earth wires are connected to separate terminals. Blue grey. Similarly to a simple one way lighting circuit the neutral is taken straight to the light itself while the line conductor is fed through a series of switches before reaching the light.