🔧 Elevate Your Wiring Game! UL-listed for secure in-wall use. Family-owned since 2002, US-sourced materials. CL3-rated for up to 300 volts. Stranded design for easy handling and safety. Ideal for security, sound, and HVAC systems. 300 Volts 500 FT spool 18 AWG The 18 AWG 2 Conductor Stranded Shielded Plenum Cable is a versatile and high-quality wiring solution designed for security, alarm, and access control systems. With a 500 FT spool, this UL-listed cable is perfect for in-wall applications, supporting up to 300 volts, and is crafted from stranded bare copper for enhanced flexibility and safety. Custom Cable Connection has been a trusted name in the industry since 2002, ensuring top-notch quality and performance.