Coleman Cable 250' 18/4 Thermostat Wire is a versatile low-voltage cable for a variety of uses such as thermostat installations, heating and air conditioning systems, burglar alarms, intercom systems, and doorbells. This wire features insulated solid conductors and a fire-resistant jacket to enhance safety. Rated for 300 volts and finished in brown, it complies with Type CL2 standards and is UL listed, ensuring reliable performance and quality for your electrical needs. Model Number: 553040407