The CNC Tech part 3239-18-1-0500-003-1-TS is a high-quality silicon hook-up wire designed for various electrical applications. It features a UL3239 rating, ensuring excellent performance and safety. This wire is built with 18AWG (American Wire Gauge) stranded conductors, providing flexibility and easy installation. The vibrant yellow color allows for easy identification and organization within your project. With its ability to withstand temperatures up to 500°F, this wire is suitable for use in high-temperature environments, making it ideal for industrial and automotive applications. This package includes a convenient 500-foot reel that ensures you have an ample supply for your projects. Trust CNC Tech's reliable and durable silicon hook-up wire for all your electrical needs.