Description

Southwire Thermostat Wire — 50 Feet (18‑Gauge, Brown)

Reliable, ready-to-install thermostat cable for HVAC and control systems. This 50-foot, 18‑gauge solid copper wire delivers low-resistance connections for power-limited circuits and stands up to sunlight and everyday jobsite conditions. Made in the USA for consistent performance.

Key features

• 50 feet pre-cut length — ideal for most residential thermostat runs
• 18‑gauge solid copper conductors for dependable signal and low voltage power delivery
• 5 conductors (5 strands) — multiple circuits or common/heat/cool configurations
• Brown color — blends with wall plates and HVAC equipment
• Sunlight-resistant construction for outdoor-exposed or bright locations
• Made in the USA — quality manufacturing and consistent materials

Why it works

• Solid copper provides excellent conductivity and low resistance for power‑limited thermostat circuits.
• Sunlight resistance protects insulation integrity where exposure may occur.
• Pre-measured 50‑foot length reduces waste and installation time for most thermostat and control runs.

Applications

• HVAC thermostat wiring
• Zoning systems and heat/cool controls
• Low-voltage control circuits and sensors
• Replacement or new-install thermostat cable runs

Specifications

• Brand: Southwire
• Length: 50 feet
• Gauge: 18‑gauge (18 AWG)
• Material: Copper (solid conductors)
• Number of conductors: 5
• Color: Brown
• Origin: Made in the USA

Ready to install and built for long-term reliability — add the Southwire Thermostat Wire 50‑Feet (18‑Gauge, Brown) to your cart now for dependable thermostat and control wiring.