This cable Applications: Wiring of thermostat controls, heating and air Conditioning equipment, doorbells, ouch-plate systems, burglar alarms, intercom systems, annunciator and bell systems, remote control units, signal systems and other low-voltage applications. Pure Copper Conductors: Our thermostat cable is built with solid pure copper conductors, providing maximum conductivity and reliability to ensure that your systems run smoothly.300V (CL3) Power-Limited Circuit Cable: Our cable is rated at 300 volts and classified as a Class-3 (CL3) Power-Limited Circuit Cable, capable of carrying a surge of up to 300 watts. This makes it a reliable choice for even the most demanding applications. Installation-Friendly Design: With its round, slick jacket and smooth edges, our cable is easy to pull through rough corners and edges. The jacket also features a rip cord for effortless removal during installation. Sunlight Resistant and RoHS Compliant: Our cable is designed for both indoor and outdoor use, complying with the UL 1581 sunlight resistance requirement for outdoor installations. It is also RoHS compliant, ensuring safety for the environment.

250 ft. 18/6 White Solid Bare Copper CMR/CL3R Doorbell Thermostat Wire