Incredible Blue And Brown Wires Light Fixture Ideas. Bare copper (brown) wires are the ground wire. The black wire is on phase 1, which is 120 volts.

Connect the red (or blue) wire to your light, cap the other with a wire nut, connect whites together, connect grounds together, and you're done. Wiring light fixtures in your home. Web how to wire up led lights with a blue brown and green wire