The EASTWIRE Thermostat Wire is a versatile and reliable option for your low-voltage wiring needs. Made of solid copper wire with 10 conductors, this 18-gauge cable is ETL listed for CL2 power-limited circuit applications, ensuring safety and compliance. With its brown color, it's suitable for both indoor and outdoor use, making it a convenient choice for various projects. The solid copper construction ensures optimal signal transmission and durability. Whether you're installing a new thermostat, security system, or any other low-voltage application, this wire offers a reliable and cost-effective solution. Its 18-gauge thickness provides ample current-carrying capacity, while the 10 conductors allow for multiple connections or future expansions. With a length of 250 feet (76.2 meters), this wire gives you the flexibility to tackle most residential or light commercial installations.