Description
Specify EZ-Pull Premium 18/12 Thermostat Wire18 AWG, 12 Conductors, Solid CopperRiser Rated – CMR, CL3R, FT4, Sunlight Resistant with confidence
Use the verified product information on this page to match your HVAC control run. This SKU is identified as 18 AWG, 12 conductors, and CMR / riser. Its jacket is Premium PVC (Flame-Retardant, Sun Resistant & RoHS Compliant).
18 AWG12 conductorsCMR / riserSun resistant
Where it fits
Suitable application decisions depend on the equipment wiring diagram, project specification, pathway, and local requirements. Confirm the exact conductor count and rating before ordering or installation.
Shopper Questions
Yes. Thermostat cables in this family are treated as sunlight resistant; confirm the complete pathway and project requirements.
Premium PVC (Flame-Retardant, Sun Resistant & RoHS Compliant)
This SKU is identified as 12 conductors in the title and Specifications section.
This SKU is identified as CMR / riser. CMR is riser-rated; CMP is plenum-rated.
Confirm the thermostat and HVAC equipment requirements, including whether a common (C) conductor is needed.
See the thermostat wire color-code guide and digital thermostat wiring guide.
Return to the thermostat-wire category to filter by gauge, conductor count, material, and pathway rating.
Verify the exact product specifications and documents against the equipment manufacturer’s instructions before installation.
- Cable Description: Premium 18/12 Thermostat Wire
- Conductor: Solid Bare Copper
- Number of Conductors: 12 (Twisted)
- Size: 18 AWG
- Insulation: Premium Polyolefin (Flame-Retardant & RoHS Compliant)
- Conductor Color Code: 1. Red 2. White 3. Green 4. Blue 5. Yellow 6. Brown 7. Orange 8. Black 9. Pink 10. Gray 11. Tan 12. Purple
- Ripcord: Applied longitudinally under the jacket
- Jacket: Premium PVC (Flame-Retardant, Sun Resistant & RoHS Compliant)
- Nominal Cable Diameter (in): 0.264
- Temperature Rating (°F)
Installation: +32 to +140 Storage & Operation: -4 to +167 - Lengths available: 250 ft
- Color options: Brown, White
- Custom cable constructions, lengths, colors, and packaging are available.
With the wide variety of wires Syston Cable Technology carries, you are sure to find a Thermostat Wire well-suited to even the most challenging application.
So, if you’re looking for high-quality thermostat wire that won’t break the bank, our premium thermostat wire is certified hazardous substance free, fire-retardant, sunlight-resistant and easy to install with an outstanding tangle-free design and handy features like clear print legend and E-Z footage markings to make installation an absolute breeze, and suitable in a wide range of applications while also being cost effective. Order yours now.
If you have any questions about our products or services, please feel free to contact us via our website or Facebook page.
Questions installers ask about this thermostat wire
Is this the right gauge and conductor count for my thermostat?
This product uses 18 AWG solid bare-copper conductors and provides 12 conductors. Match the conductor count to every required HVAC terminal—including the common or C-wire when the equipment requires one—and consider spare conductors for future controls. Always follow the equipment manufacturer’s instructions.
Is this product plenum or riser rated?
This product is riser rated (CMR/CL3R/FT4) for permitted vertical and general building pathways. It is not a substitute for CMP cable where a plenum rating is required.
Will it work with a smart thermostat?
Smart-thermostat compatibility depends on the HVAC equipment’s terminals and functions, not just the thermostat brand. Verify the required R, C, W, Y, G, O/B, auxiliary, and staging connections before selecting the cable.
Can this thermostat wire be installed outdoors?
The jacket is identified as sunlight resistant. That does not automatically make the cable suitable for direct burial, continuous wet locations, or every outdoor pathway; verify the complete environmental rating before installation.
Can it also be used for a doorbell or another low-voltage control circuit?
It may be suitable when the circuit voltage, current, conductor size, pathway rating, equipment instructions, and local code all match the application. A thermostat-wire label alone does not approve every low-voltage use.
What should I verify before ordering?
Confirm conductor gauge and count, pathway rating, temperature range, required length, jacket color, environmental exposure, and the applicable code. Class 2 and Class 3 wiring is generally addressed by NEC Article 725, subject to the adopted local code and the authority having jurisdiction.
Compare Syston thermostat wire options · Read the digital thermostat wiring guide · Review thermostat wire color codes





