20 Best 18 8 Thermostat Wire [2024]

Are you looking for the best 18 8 Thermostat Wire? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 18 8 Thermostat Wire.

We Recommended:

# Preview Product
1 Thermostat Wire 18/8 - Brown - Solid Copper 18 Gauge, 8 Conductor - CL2 (UL Listed) CMR Riser Rated... Thermostat Wire 18/8 - Brown - Solid Copper 18 Gauge, 8 Conductor - CL2 (UL Listed) CMR Riser...
2 Coleman Cable 553080407 Thermostat Wire, CL2 Solid Bare Copper, 18/8, 250-Foot, Brown Coleman Cable 553080407 Thermostat Wire, CL2 Solid Bare Copper, 18/8, 250-Foot, Brown
3 DiversiTech 620-18-8 Thermostat Wire, 18 AWG, 8 Conductors, 250' DiversiTech 620-18-8 Thermostat Wire, 18 AWG, 8 Conductors, 250'
4 Cableague Thermostat Wire (18-8 Brown, 100Feet) Cableague Thermostat Wire (18-8 Brown, 100Feet)
5 FRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2- Power Circuit Cable (18/8Brown, 25ft) FRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2- Power Circuit Cable (18/8Brown, 25ft)
6 Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 100 Foot Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 100 Foot
7 Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 25 Foot Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 25 Foot
8 Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 30 Foot Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 30 Foot
9 PHAT SATELLITE INTL 10ft White Thermostat Wire 18/8 Solid Copper 18AWG 8-Conductor Power Limited... PHAT SATELLITE INTL 10ft White Thermostat Wire 18/8 Solid Copper 18AWG 8-Conductor Power Limited...
10 Southwire 64170444 18/7 250' SL THM BR Wire, Brown Southwire 64170444 18/7 250' SL THM BR Wire, Brown
11 Coleman Cable 18/8 Thermostat Wire 18 Gauge 8 Conductor 50 foot by Coleman Cable Coleman Cable 18/8 Thermostat Wire 18 Gauge 8 Conductor 50 foot by Coleman Cable
12 Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 15 Foot Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 15 Foot
13 Honeywell 47160307 PVC Coated 250FT Reel 18 Gauge 8 Conductor Thermostat Wire Honeywell 47160307 PVC Coated 250FT Reel 18 Gauge 8 Conductor Thermostat Wire
14 Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 250 Foot Spool Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 250 Foot Spool
15 Compatible Replacement for Honeywell 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 20 Foot Compatible Replacement for Honeywell 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 20 Foot
16 Thermostat Wire 18/4 - Brown - Solid Copper 18 Gauge, 4 Conductor - CL2 (UL Listed) CMR Riser Rated... Thermostat Wire 18/4 - Brown - Solid Copper 18 Gauge, 4 Conductor - CL2 (UL Listed) CMR Riser...
17 Compatible Replacement for Honeywell 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 40 Foot Compatible Replacement for Honeywell 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 40 Foot
18 Thermostat Wire 18/7 - Brown - Solid Copper 18 Gauge, 7 Conductor - CL2 (UL Listed) CMR Riser Rated... Thermostat Wire 18/7 - Brown - Solid Copper 18 Gauge, 7 Conductor - CL2 (UL Listed) CMR Riser...
19 Southwire 64170422 18/7 Solid Copper Class 2 Power-Limited Thermostat Wire, 50 feet , Brown Southwire 64170422 18/7 Solid Copper Class 2 Power-Limited Thermostat Wire, 50 feet , Brown
20 Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 40 Foot Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 40 Foot
Bestseller No. 1
Thermostat Wire 18/8 - Brown - Solid Copper 18 Gauge, 8 Conductor - CL2 (UL Listed) CMR Riser Rated...
  • Includes: 50 feet of premium, CL2/R CMR Rated Brown thermostat wire 18/8
  • Perfect For: This multi-purpose Cable is primarily used for thermostat installations, HVAC equipment, along with security alarm systems, door chimes...
  • Premium Construction: Thermostat Cable is made from pure copper, and features bare solid 18 gauge copper conductors with a sunlight resistant outer...
  • Rated for: Residential, Commercial, and Industrial applications
  • Quality Assurance: UL Listed and Includes a US manufacturers warranty
Bestseller No. 2
Coleman Cable 553080407 Thermostat Wire, CL2 Solid Bare Copper, 18/8, 250-Foot, Brown
  • 250-Feet spool of wire
  • Thermostat Wire, CL2 Solid Bare Copper, AWG size: 18/8
  • Smooth jacket eliminates snagging and tearing
  • Some applications: thermostats, air-conditioning controls
  • Pvc jacket, polypropylene insulation ensures excellent strip ability
Bestseller No. 3
DiversiTech 620-18-8 Thermostat Wire, 18 AWG, 8 Conductors, 250'
  • 18 AWG, with 8 Conductors
  • 250ft Spool
  • For indoor wiring needs
  • Packaged on aluminum spool
  • U.L. Listed. Meets Subject 13 per Article 725, 1990 NEC
Bestseller No. 4
Cableague Thermostat Wire (18-8 Brown, 100Feet)
  • Thermostat Cable:60°C, 150 Volt, UL Listed Type CL2, ETL Complied
  • Thermostat Cable Ratings and Approvals: UL 13, CL2,NEC Article 725,Temperature Rating: -20°C~ +60°C,Voltage Rating: 150
  • Insulation: PVC or Polypropylene insulation, color-coded for thermostat cable
  • Jacket: Outer jacket of polyvinyl chloride (PVC), which is heat,moisture and sunlight resistant, Brown
  • Thermostat Cable Applications: Thermostat Control,Heating and A/C installations,Touch-plate systems,Burglar alarms,Intercoms,Door...
Bestseller No. 5
FRUDRIK Thermostat Wire - Solid Copper 18 Gauge - CL2- Power Circuit Cable (18/8Brown, 25ft)
  • Thermostat Wire Ratings and Approvals: UL 13, CL2,NEC Article 725,Temperature Rating: -20°C~ +60°C,Voltage Rating: 150
  • Residential, Commercial and Industrial Rated
  • Insulation: polyvinyl chloride (PVC)
  • Jacket: Outer jacket of polyvinyl chloride (PVC), which is heat, moisture and sunlight resistant
  • Thermostat Wire Applications: Thermostat Control,Heating and A/C installations,Annunciator systems,Remote controls,Signal...
Bestseller No. 6
Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 100 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 7
Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 25 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 8
Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 30 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 9
PHAT SATELLITE INTL 10ft White Thermostat Wire 18/8 Solid Copper 18AWG 8-Conductor Power Limited...
  • 10 feet; White; Solid Copper 18AWG 8-Conductor (18/8); CL2 for In-Wall Installation
  • Bare solid copper conductors 18 gauge; 8-Conductors; White, Red Green, Blue, Yellow Brown, Orange & Black
  • CL2 rated for in-wall installation; Flame retardant lead-free PVC jacket
  • Excellent for Low Voltage Applications; Suitable for Residential and Commercial Use; Thermostat Controls; Door Bells; Burglar Alarms; Remote Control...
  • Contact us for more details about custom sizes and availability for different cable types.
Bestseller No. 10
Southwire 64170444 18/7 250' SL THM BR Wire, Brown
  • 18/7 thermostat and bell cable. Designed for use in heating and air conditioning controls as well as in alarm systems. Features insulation made of...
  • Brand name: Southwire
  • Model number: 64170444
  • Country of Origin: United States
Bestseller No. 11
Coleman Cable 18/8 Thermostat Wire 18 Gauge 8 Conductor 50 foot by Coleman Cable
  • ALL Wire Sections are pulled and cut from larger rolls…they are NOT SOLD ON SPOOLS
  • Sunlight resistant PVC jacket, polypropylene insulation ensures excellent strip ability
  • 150V Voltage Rating Per National Electric Code Article 725
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
Bestseller No. 12
Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 15 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 14
Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 250 Foot Spool
  • 250' Spool of 18/8 Thermostat Wire
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 15
Compatible Replacement for Honeywell 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 20 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 16
Thermostat Wire 18/4 - Brown - Solid Copper 18 Gauge, 4 Conductor - CL2 (UL Listed) CMR Riser Rated...
  • Includes: 50 feet of premium, CL2/R CMR Rated Brown thermostat wire 18/4
  • Perfect For: This multi-purpose Cable is primarily used for thermostat installations, HVAC equipment, along with security alarm systems, door chimes...
  • Premium Construction: Thermostat Cable is made from pure copper, and features bare solid 18 gauge copper conductors with a sunlight resistant outer...
  • Rated for: Residential, Commercial, and Industrial applications
  • Quality Assurance: UL Listed and Includes a US manufacturers warranty
Bestseller No. 17
Compatible Replacement for Honeywell 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 40 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear
Bestseller No. 18
Thermostat Wire 18/7 - Brown - Solid Copper 18 Gauge, 7 Conductor - CL2 (UL Listed) CMR Riser Rated...
  • Includes: 25 feet of premium, CL2/R CMR Rated Brown thermostat wire 18/7
  • Perfect For: This multi-purpose Cable is primarily used for thermostat installations, HVAC equipment, along with security alarm systems, door chimes...
  • Premium Construction: Thermostat Cable is made from pure copper, and features bare solid 18 gauge copper conductors with a sunlight resistant outer...
  • Rated for: Residential, Commercial, and Industrial applications
  • Quality Assurance: UL Listed and Includes a US manufacturers warranty
Bestseller No. 19
Southwire 64170422 18/7 Solid Copper Class 2 Power-Limited Thermostat Wire, 50 feet , Brown
  • Coated in a PVC jacket with 6 mils of PVC insulation
  • Class 2 power-limited circuit cable for use in thermostat control applications
  • UL Listed
  • 18 gauge, 7 conductors with 6 mils with 50' per coil
Bestseller No. 20
Southwire 18/8 Thermostat Wire - 18 Gauge 8 Conductor - 40 Foot
  • Note: All wire is cut from larger spools and hand rolled prior to shipping (Not on Spools)
  • Sunlight resistant , Brown PVC jacket, polypropylene insulation ensures excellent strip ability
  • Applications: Thermostats , air-conditioning controls , other low voltage remote control circuits, doorbells and alarm systems
  • Made in the U.S.A.
  • Replacement for CERRO , Honeywell , CCI , Coleman Cable , Baron and Lightyear

Having trouble finding a great 18 8 Thermostat Wire?

This problem is well understood by us because we have gone through the entire 18 8 Thermostat Wire research process ourselves, which is why we have put together a comprehensive list of the best 18 8 Thermostat Wires available in the market today.

After hours of searching and using all the models on the market, we have found the best 18 8 Thermostat Wire for 2023. See our ranking below!

How Do You Buy The Best 18 8 Thermostat Wire?

Do you get stressed out thinking about shopping for a great 18 8 Thermostat Wire? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 18 8 Thermostat Wire, which is why we have assembled a comprehensive list of the greatest 18 8 Thermostat Wire available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 18 8 Thermostat Wire that you consider buying. Your questions might include the following:

  • Is it worth buying an 18 8 Thermostat Wire?
  • What benefits are there with buying an 18 8 Thermostat Wire?
  • What factors deserve consideration when shopping for an effective 18 8 Thermostat Wire?
  • Why is it crucial to invest in any 18 8 Thermostat Wire, much less the best one?
  • Which 18 8 Thermostat Wire are good in the current market?
  • Where can you find information like this about 18 8 Thermostat Wire?

We’re convinced that you likely have far more questions than just these regarding 18 8 Thermostat Wire, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 18 8 Thermostat Wire, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 18 8 Thermostat Wire. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 18 8 Thermostat Wire buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 18 8 Thermostat Wire currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 18 8 Thermostat Wire has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 18 8 Thermostat Wire?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 18 8 Thermostat Wire.
  5. Customer Ratings: Number ratings grade 18 8 Thermostat Wire objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 18 8 Thermostat Wire.
  7. Product Quality: You don’t always get what you pay for with an 18 8 Thermostat Wire, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 18 8 Thermostat Wire is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 18 8 Thermostat Wire information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 18 8 Thermostat Wire is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What gauge wire is used for a thermostat?

A: Red wire for power (24V). White wire for heating (connected to W or W1 terminal). Green wire as a repurposed C wire.

Q: How to wire your thermostat?

A: Even if your old thermostat was not using a C-wire,an unused C-wire may be stuffed in the wall behind the thermostat’s backplate. … If there is no C-wire,one option is to use an “add-a-wire” kit or a power extender kit. … Another option is to use a 24-volt adapter that provides a C-wire and plugs into a nearby outlet to power your thermostat.

Q: What to do with only 2 wires to a thermostat?

A: Remove the thermostat control panel,and expose the colored wires. We will learn what each color wire means. Understanding color coding will give you a good understanding of how the thermostat actually functions. Replacing the old thermostat with a new one.

Q: What size thermostat wire?

A: Possible Wire ID Label or Connection Point ID Label on Thermostat B. In thermostat applications where a blue wire is used,the blue is usually a common circuit wire – e.g. … B and O together. Trane heat pump products. … C. C – common 24VAC power used to power the thermostat. … DH E. Not used on the 3M-22. EX F G. … H