14/2 vs 16/2 Speaker Wire: Which Should You Choose?
Learn the differences between 14/2 and 16/2 speaker wire, including distance, power handling, installation flexibility, and ideal applications.
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Thermostat Wire 20AWG Solid Bare Copper CMR CL2R Brown 2 5 6 8 Conductors
SKU:
4088-Big
Sale price
$74.95
Regular price
$79.45
Unit price
6% off
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Solid Bare Copper · 20AWG · 2/5/6/8 Conductors
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Color-Coded PVC Insulation Per Conductor
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CMR/FT4 Rated Brown PVC Jacket
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C(ETL)US Listed · CL2R · Sunlight Resistant
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20/2: 500ft · 20/5: 500/250ft · 20/6,8: 250ft
Thermostat Wire 20AWG Solid Bare Copper CMR CL2R Brown 2 5 6 8 Conductors
$79.45
$74.95
SKU:
4088-Big
Sale price
$74.95
Regular price
$79.45
Unit price
-
𝐑𝐈𝐆𝐇𝐓-𝐒𝐈𝐙𝐄𝐃 𝐍𝐎𝐓 𝐎𝐕𝐄𝐑𝐒𝐈𝐙𝐄𝐃 20AWG costs less than 18AWG for shorter runs and lower-current systems — no reason to pay for copper your thermostat run doesn't need.
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𝐊𝐍𝐎𝐖 𝐖𝐇𝐄𝐍 𝐓𝐎 𝐒𝐓𝐄𝐏 𝐔𝐏 Long runs or high-current loads like heat pump compressors need 18AWG instead — this page tells you honestly when 20AWG isn't the right call.
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𝐏𝐀𝐒𝐒𝐄𝐒 𝐈𝐍𝐒𝐏𝐄𝐂𝐓𝐈𝐎𝐍 𝐅𝐈𝐑𝐒𝐓 𝐓𝐈𝐌𝐄 CMR/FT4 fire rating and C(ETL)US Listing mean your in-wall thermostat run meets code the first time — no rework, no failed inspection.
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𝐌𝐀𝐓𝐂𝐇𝐄𝐒 𝐘𝐎𝐔𝐑 𝐒𝐘𝐒𝐓𝐄𝐌 𝐄𝐗𝐀𝐂𝐓𝐋𝐘 From 2-wire basics to 8-wire zoned systems, get the exact conductor count your control board needs — no paying for wires you won't use.
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𝐁𝐑𝐎𝐖𝐍 𝐌𝐄𝐀𝐍𝐒 𝐓𝐇𝐄𝐑𝐌𝐎𝐒𝐓𝐀𝐓 𝐖𝐈𝐑𝐄 Industry-standard brown jacket lets you tell this apart from alarm, speaker, or network cable at a glance in a crowded wall cavity.
Description
Description
Install thermostat and HVAC control wiring in walls and risers with this 20AWG solid bare copper thermostat wire, rated CMR/FT4 and C(ETL)US Listed for code-compliant permanent installations. 20AWG is the practical, cost-effective choice for shorter runs and lower-current systems where 18AWG is more wire than the job needs.
The sunlight-resistant brown PVC jacket is the industry-standard color for thermostat wire, and color-coded conductors simplify wiring at every terminal. Available in four conductor counts to match your system — for longer runs or high-current applications like heat pump compressors, step up to our 18AWG thermostat wire instead.
Standards: C(ETL)US Listed · CMR/FT4 Rated · CL2/CL2R · Sunlight Resistant
Technical Specifications:
• Conductor: Solid Bare Copper · AWG: 20 · Conductors: 2, 5, 6, or 8
• Insulation: Color-Coded PVC · Jacket: CMR-Rated PVC, Brown
• 20/2: 500ft · 20/5: 500ft or 250ft · 20/6 and 20/8: 250ft
• OD: 0.172 in. (20/2) to 0.256 in. (20/8)
Conductor Guide:
• 20/2 (White/Red) — Basic heating, doorbells, simple controls
• 20/5 (Blue/Green/White/Red/Yellow) — Heat pumps, 5-wire systems
• 20/6 (+Brown) — Multi-stage HVAC, emergency heat
• 20/8 (8 colors) — Smart thermostats, zoned HVAC systems
Specifications
Specifications
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Colors
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