18/4C Plenum Thermostat Wire, 250ft Spool

This 18/4C plenum thermostat wire comes on a 250-foot spool and is rated for 60°C and 150 volts. It features four solid soft drawn copper conductors sized at 18 AWG, insulated with moisture-resistant low smoke PVC.

The cable is designed for use in plenum spaces without conduit, supporting power-limited circuits for thermostats, HVAC controls, alarms, doorbells, and remote control units with voltages up to 30 volts. It meets UL 13 and NEC Article 725 CL2P standards.

• Conductor strand: solid copper per ASTM B-3
• Insulation thickness: 0.007 inches
• Outer diameter: 0.161 inches
• Weight per foot: 0.030 lbs