To add a second light which is switched with the first one the switched line neutral and earth need to be extended to the second light. Multiple light switch wiring with conventional light switch wiring using nm cable a nm cable supplies line voltage from the electrical panel to a light switch outlet box.

Multiple Lights From A Single Switch
Lighting circuit wiring diagram multiple lights. Instead of taking the feed wire from the consumer unit to the ceiling rose it is taken to the switch. Here the source is at the first switch sw1 and 3 wire cable runs from there to the first light l1. You can add as many lights in this fashion as need within the load limit of your wiringcircuit breaker light switch diagram multiple lights pdf 42kb back to wiring diagrams home. How to add one or more additional lights so that all are operated from the same switch. Lighting circuits multiple lights from one switch. Wiring a 3 way switch with multiple lights.
Click the icons below to get our nec compliant electrical calc elite or electric toolkit available for android and ios. Wiring multiple switches to multiple lights. The permanent live wire is wired into the switch and the switched live into the switched live terminal. Wiring multiple lights to multiple switches is similar to the basic light switch configuration except for the hot and neutral power lines are split in the box to go to two or more independent lighting circuits as shown in the diagram. The electrical calc elite is designed to solve many of your common code based electrical calculations like wire sizes voltage drop conduit sizing etc. Another nm cable connects the first outlet box to the next boxes and so on until you reach the end of the chain.
The neutrals are connected together using a terminal connector. Adding an extra cable to the existing ceiling rose. This is an alternative way of wiring a lighting circuit. In this circuit two light fixtures are shown but more can be added by duplicating the wiring arrangement between the fixtures for each additional light.