Light Fixture Ground Wire Diagram. These diagrams are shown as using the romex wiring method. Using the diagram above this would mean either cable 1 2 or 3.
As long as you know that the red wire is the hot wire from the wall switch and the black wire does not get attached to the switch you can do it on your own. Ground wire connection for a light fixture adblockelectrical question. The source is at sw1 and 2 wire cable runs from there to the fixtures.
Wiring diagram for 3 way switch with 4 lights light.
The switch leg drop. Heres how to connect a 2 wire light fixture without ground if either your fixture or the box lacks that ground wire. The source is at the outlet and a switch loop is added to a new switch. The circuit is disrupted at the second switch so the light is turned off.