Thermostat Wire | McMaster-Carr

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12 Products

About Wire and Cable

Compare wire vs. cable and choose the right option based on gauge, number of conductors, insulation, and current rating.

Thermostat Cable

Use For: Buildings
Bend and Stay
Temperature Range: 0° to 140° F
Insulation:
Outer: PVC Plastic
Inner: Polyethylene Plastic

Hook up thermostats, air-conditioning units, and other low-voltage equipment. This cable is designated CL2 so it has flame-resistant insulation. The wires are solid so it stays in the shape you bend it.

Solid Wire
Wire Ga.	No. of Wires	Cable AWG	OD	Outer Insulation Color	Inner Insulation Color	Industry Designation	Specifications Met		10 ft.	25 ft.	50 ft.	100 ft.	250 ft.
150V AC/150V DC
20	2	20/2	0.11"	Brown	Red, White	CL2	ETL Listed	0000000	00000	000000	000000	000000	000000
20	3	20/3	0.12"	Brown	Green, Red, White	CL2	ETL Listed	0000000	0000	00000	00000	00000	00
20	4	20/4	0.13"	Brown	Blue, Green, Red, White	CL2	ETL Listed	0000000	00000	00000	00000	00000	00000
20	5	20/5	0.15"	Brown	Blue, Green, Red, White, Yellow	CL2	ETL Listed	0000000	0000	00000	00000	00000	00000
20	6	20/6	0.16"	Brown	Blue, Brown, Green, Red, White, Yellow	CL2	ETL Listed	0000000	00000	00000	00000	00000	00000
20	8	20/8	0.17"	Brown	Black, Blue, Brown, Green, Orange, Red, White, Yellow	CL2	ETL Listed	0000000	00000	00000	00000	00000	000000
18	2	18/2	0.13"	Brown	Red, White	CL2	ETL Listed	0000000	0000	00000	00000	00000	00000
18	3	18/3	0.14"	Brown	Green, Red, White	CL2	ETL Listed	0000000	0000	00000	00000	00000	00000
18	4	18/4	0.15"	Brown	Blue, Green, Red, White	CL2	ETL Listed	0000000	00000	00000	00000	00000	00000
18	5	18/5	0.17"	Brown	Blue, Green, Red, White, Yellow	CL2	ETL Listed	0000000	00000	00000	00000	00000	000000
18	6	18/6	0.19"	Brown	Blue, Brown, Green, Red, White, Yellow	CL2	ETL Listed	0000000	00000	00000	00000	00000	000000
18	8	18/8	0.2"	Brown	Black, Blue, Brown, Green, Orange, Red, White, Yellow	CL2	ETL Listed	0000000	00000	00000	00000	00000	000000