Wire & Cable
HVAC Wire & Cable
Shop a complete range of wire and cable for HVAC, thermostat, and control applications — from standard thermostat wire to plenum-rated cable and armored mini-split cable. We carry solid and stranded copper, shielded and unshielded, in gauges from 20 AWG to 14 AWG and conductor counts from 2 to 12, including trusted lines like Southwire Baron and Southwire EZ-IN.
Whether you’re wiring a single thermostat, a multi-zone control system, or a ductless mini-split condenser, you’ll find the right conductor count, voltage rating (CL2, CL2P, CL3, and 600V Type MC), and put-up for the job. Every size is sold as an individual spool, coil, or reel — no full-carton minimums — so you only order the length you need.
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Out of stockSouthwire EZ-IN 14/4 Shielded Stranded Mini-Split Cable — 14 AWG 4-Conductor 600V Type MC, Black
Price range: $4.65 through $619.73 Select options This product has multiple variants. The options may be chosen on the product pageSKU: EZIN-SH-14-4
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Southwire Baron 18/2 Solid Copper Thermostat Wire — 18 AWG 2-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-2
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Southwire Baron 8-Conductor Mixed Gauge Solid Thermostat Wire — Brown
Read moreSKU: SW-MG-8C
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Southwire Baron 18/2 Solid Copper Plenum Thermostat Wire — 18 AWG 2-Conductor CL2P 300V, White, 500′ Spool
Read moreSKU: 555020523
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Southwire Baron 18/3 Solid Copper Thermostat Wire — 18 AWG 3-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-3
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Southwire Baron 18/3 Solid Copper Plenum Thermostat Wire — 18 AWG 3-Conductor CL2P 300V, White, 500′ Spool
Read moreSKU: 555030523
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Southwire Baron 18/4 Solid Copper Thermostat Wire — 18 AWG 4-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-4
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Southwire Baron 18/4 Solid Copper Plenum Thermostat Wire — 18 AWG 4-Conductor CL2P 300V, White, 250′ Spool
Read moreSKU: 555040423
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Southwire Baron 18/5 Solid Copper Thermostat Wire — 18 AWG 5-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-5
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Southwire Baron 18/5 Solid Copper Plenum Thermostat Wire — 18 AWG 5-Conductor CL2P 300V, White, 250′ Spool
Read moreSKU: 555050423
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Southwire Baron 18/6 Solid Copper Thermostat Wire — 18 AWG 6-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-6
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Southwire Baron 18/6 Solid Copper Plenum Thermostat Wire — 18 AWG 6-Conductor CL2P 300V, White, 250′ Spool
Read moreSKU: 555060423
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Southwire Baron 18/7 Solid Copper Thermostat Wire — 18 AWG 7-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-7
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Southwire Baron 18/8 Solid Copper Plenum Thermostat Wire — 18 AWG 8-Conductor CL2P 300V, White, 250′ Spool
Read moreSKU: 555080423
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Southwire Baron 18/8 Solid Copper Thermostat Wire — 18 AWG 8-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-8
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Southwire Baron 18/10 Solid Copper Plenum Thermostat Wire — 18 AWG 10-Conductor CL2P 300V, White, 250′ Spool
Read moreSKU: 555100423
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Southwire Baron 18/10 Solid Copper Thermostat Wire — 18 AWG 10-Conductor CL2, Brown
Read moreSKU: SW-BARON-18-10
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18/2 Shielded Stranded Plenum Thermostat Cable — 18 AWG 2-Conductor CL2P 300V, White, 500′ Spool
Read moreSKU: P40133-1C
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Southwire Baron 18/12 Solid Copper Thermostat Wire — 18 AWG 12-Conductor CL2, Brown, 250′ Spool
Read moreSKU: 553120407
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18/3 Shielded Stranded Plenum Thermostat Cable — 18 AWG 3-Conductor CL2P 300V, White, 500′ Spool
Read moreSKU: P40032-1C
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Southwire Baron 20/2 Solid Copper Thermostat Wire — 20 AWG 2-Conductor CL2, Brown, 500′ Spool
Read moreSKU: 552020507
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18/4 Shielded Stranded Plenum Thermostat Cable — 18 AWG 4-Conductor CL2P 300V, White, 500′ Box (POB)
Read moreSKU: P40073-1D
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Southwire Baron 20/3 Solid Copper Thermostat Wire — 20 AWG 3-Conductor CL2, Brown, 500′ Spool
Read moreSKU: 552030507
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18/6 Shielded Stranded Plenum Thermostat Cable — 18 AWG 6-Conductor CL2P 300V, White, 500′ Spool
Read moreSKU: P40040-1C
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Southwire Baron 20/4 Solid Copper Thermostat Wire — 20 AWG 4-Conductor CL2, Brown, 250′ Spool
Read moreSKU: 552040407