Thermostat Wire 18/2 - 500 Foot

Heavy-duty 500-foot spool of 18-gauge 2-conductor thermostat wire designed for low-voltage HVAC control applications, heat-only systems, and air conditioning controls. Class 2 power-limited circuit cable featuring a durable brown jacket for quick identification and a riser rating for running cable safely between floors. Ideal for high-volume jobs, larger residential properties, and multi-unit installations.