The Best Black White Wires Light Fixture Ideas. The other black and white wires are the electrical circuit for the switch. It connects to the ground conductor in the box and bonds it to exposed metal portions of the fixture as a safety measure.
Web 1.1m views 8 years ago. Using a phase tester or voltage meter, check the ceiling wires (mostly black and white). Web speaking of wires, diyers should know that black or red is the current, white is neutral, and green or copper is the ground wire.
