Electrical Wiring Color Coding System - The Spruce When a white wire is augmented with a red or black color marking, this often indicates that it is being used as a hot wire rather than a neutral wire. Typically, this is indicated with a band of black or red electrical tape (but other colors may be used) wrapped around the wire's insulation. House Wiring, Electrical Wire Colors | Wire Color Code House Wiring & Electrical Wire Colors. Have you ever seen an action movie in which a character must (during a very tense, panicky, race-against-the-clock kind of moment) snip the right wire? The character is usually disarming a bomb or shutting down a security system.
Related with house wiring color codes black white red