Keep spools of wire in multiple colors on hand; each assortment includes one spool of each color listed. Mount the included rack (fasteners not included) or use it to transport wire. Also known as hook-up wire, it’s primarily used for wiring electrical panels, lighting, and plant for equipment. It’s flame rated VW-1 to meet requirements for preventing the spread of flames based on a timed test with vertically suspended material. Wire meets UL standards for appliance wiring.