This ALPHA WIRE part 5859/12-WH005 is a high-quality hook-up wire with a 12AWG gauge size and a durable 2.87mm silver plated copper conductor. It comes in a classic white color and can handle up to 600V, making it suitable for a variety of electrical applications. Each spool contains 30.48m (100ft) of wire, providing plenty of length for your projects. Trust ALPHA WIRE for reliable, top-of-the-line wiring solutions.