Thermostat Wire, 18/2, Brown Vinyl, 500 Ft. Spool

Discover Southwire 18/2 Brown Vinyl Thermostat Wire – 500 ft Spool. This robust low‑voltage cable is engineered for HVAC, bell, and intercom installations. The solid copper conductors are encased in a durable brown vinyl jacket that resists abrasion and moisture, delivering reliable performance in residential and commercial settings. With a generous 500‑foot length, you have ample material for extensive projects without frequent re‑ordering.

Why choose this thermostat wire? Its 18‑gauge, 2‑conductor design provides the perfect balance of flexibility and strength for running signals to thermostats, doorbells, and intercom panels. The 30 V maximum rating ensures safe operation for low‑voltage control circuits, while the vinyl sheath protects against wear, simplifying installation and reducing maintenance.

• 18‑AWG solid copper conductors: Guarantees low resistance and consistent signal transmission for HVAC and communication systems.
• Brown vinyl jacket: Offers UV resistance and durability, ideal for indoor and outdoor runs.
• 30 V maximum rating: Meets safety standards for thermostat, bell, and intercom wiring applications.
• 500‑foot spool: Provides enough length for large‑scale projects, minimizing waste and extra handling.
• Southwire brand quality: Backed by a trusted manufacturer known for reliable electrical products.

Ready for any low‑voltage task: Whether you’re wiring a new thermostat, upgrading a doorbell system, or connecting intercom units, this Southwire thermostat wire delivers the performance and durability you need. Its easy‑to‑cut, flexible construction speeds up installation, while the solid build ensures long‑term reliability. Choose this 18/2 brown vinyl cable for a hassle‑free, professional finish on every project.