What does GREY wire mean?
What does GREY wire mean? neutral wire The colors white and gray indicate a neutral wire. That means it connects to an electrical panel's neutral bus bar. White wires are typically found in residential buildings while gray ones can be found in commercial settings. White and gray wires can only be connected to other white and gray wires. Is there a color code for a radio? If someone has a color code chart that tells what color wires go where, I could really use this! I need one of each to do this myself, otherwise I have to go have...