Type K Thermocouple Wire

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Thermocouple Type

American Wire Gauge (AWG)

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Positive Wire Color

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27 Products

Thermocouple Wire

Solid Thermocouple Wire

Stranded Thermocouple Wire

Make your own thermocouples.

Stranded wire is more flexible than solid wire.

FEP insulation and jacket is abrasion and chemical resistant.

Fiberglass insulation and jacket is rated for higher temperatures than FEP and is highly chemical resistant.

Polyimide insulation and jacket stands up to humid conditions and rapid temperature changes.

			Wire				Wire Color					Per Ft.
Thermocouple Type	Min. Temp., °F	Max. Temp., °F	Gauge	Dia.	Max. Jacket Temp., °F	No. of Wires	Positive	Negative	Jacket Color	Lengths, ft.		1-99	100-Up
Solid Wire
FEP Insulation and Jacket
K	Not Rated	400°	16	0.051"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	00000	00000
K	Not Rated	400°	18	0.04"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	00000000	0000	0000
K	Not Rated	400°	20	0.032"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	400°	24	0.02"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	400°	30	0.01"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	00000000	0000	0000
Fiberglass Insulation and Jacket
K	Not Rated	900°	16	0.051"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	900°	18	0.04"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	00000000	0000	0000
K	Not Rated	900°	20	0.032"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	900°	24	0.02"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	0000000	0000	0000
Polyimide Insulation and Jacket
K	0°	600°	20	0.032"	600°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000
Stranded Wire
FEP Insulation and Jacket
K	Not Rated	400°	16	0.051"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	400°	20	0.032"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	400°	24	0.02"	400°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000
Fiberglass Insulation and Jacket
K	Not Rated	900°	16	0.051"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	900°	20	0.032"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	0000000	0000	0000
K	Not Rated	900°	24	0.02"	900°	2	Yellow	Red	Brown with Yellow Tracer	10, 20, 50, 100	0000000	0000	0000
Polyimide Insulation and Jacket
K	0°	600°	20	0.038"	600°	2	Yellow	Red	Brown	10, 20, 50, 100	0000000	0000	0000

Thermocouple Extension Wire with Connectors

Straight Cable with Flat-Pin Mini Male × Female Connector

Straight Cable with Flat-Pin Mini Male × Male Connector

Straight Cable with Round-Pin Male × Female Connector

Coiled Cable with Flat-Pin Mini Male × Female Connector

Coiled Cable with Flat-Pin Mini Male × Male Connector

Extend the reach of your thermocouple probe—plug-in connectors on both ends of this wire speed up installation.

Coiled wire stays neat and compact for easy storage. You can stretch it out to extend its reach.

			Wire		Material
Thermocouple Type	Temperature Range, °F	Lg., ft.	Gauge	Dia.	Insulation	Jacket	Max. Jacket Temperature, °F		Each
Straight Cable—Solid Wire
Flat-Pin Mini Male × Flat-Pin Mini Female Connector
K	-15° to 220°	10	24	0.17"	PVC	PVC	220°	00000000	000000
K	-15° to 220°	25	24	0.17"	PVC	PVC	220°	00000000	00000
K	-15° to 220°	50	24	0.17"	PVC	PVC	220°	00000000	00000
Flat-Pin Mini Male × Flat-Pin Mini Male Connector
K	-15° to 220°	10	24	0.17"	PVC	PVC	220°	0000000	00000
K	-15° to 220°	25	24	0.17"	PVC	PVC	220°	0000000	00000
Round-Pin Male × Round-Pin Female Connector
K	-15° to 220°	10	24	0.17"	PVC	PVC	220°	00000000	00000
K	-15° to 220°	25	24	0.17"	PVC	PVC	220°	00000000	00000
K	-15° to 220°	50	24	0.17"	PVC	PVC	220°	00000000	00000
Coiled Cable—Stranded Wire
Flat-Pin Mini Male × Flat-Pin Mini Female Connector
K	-30° to 220°	5	28	0.165"	PTFE	Polyurethane	220°	00000000	00000
Flat-Pin Mini Male × Flat-Pin Mini Male Connector
K	-30° to 220°	5	28	0.165"	PTFE	Polyurethane	220°	0000000	00000