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Thermocouple and RTD extension wire/cable is critical to maintain signal integrity when extending thermocouple signals. Extension wire and cable with standard ASTM/ANSI color coding is available with various insulation types and in unshielded or overall shielded styles. Products can be ordered cut to your specified lengths or in any bulk length.
Thermocouple and RTD Extension Wire & Cable
Category Selection
Extension grade wire/cable is specifically designed to carry temperature signals long distances without losing signal quality for times when the application requires a temperature sensor to be installed remotely from the controller. Extension wire and cable can be ordered cut to your specified lengths, with various minimum lengths depending on cable type.
For part listings and specifications, go to Shop Now
Thermocouple Extension Wire
- Thermocouple extension wire provides an easy and reliable way to extend thermocouple wiring as needed.
- Thermocouple extension wire for Type J, Type K and Type T thermocouples
- 20 AWG and 16 AWG (in certain types)
- Wire insulation types include PVC, fiberglass, FEP Teflon, and braided vitreous silica
- UL Listed versions adhere to PLTC-UL13
- Standard ASTM/ANSI color coding
- Made in the USA
Starting at
$0.30 / ft. (50 ft. min.)
(THMWJ-20-1U-P-1)
RTD Wire
- RTD extension wire has a specialized construction that offers superior performance for RTD signals compared to "off-the-shelf" cable.
- Wire insulation types include PVC and FEP Teflon
- Available with aluminum Mylar shield and copper drain wire
- Made in the USA
Starting at
$0.30 / ft (50 ft. min.)
(RTDW-22-1U-P-1)
Multi-pair Thermocouple
Extension Cable
- Extension cable with multiple pairs of thermocouple extension wires supports applications with several remote sensors in close proximity.
- 2, 4, and 8 pair Type J or K thermocouple extension cable, with overall shield or overall plus individually shielded pairs
- UL PLTC rated
- 105C PVC Jacket
- NEC Article 725 Hazardous Locations (Class I, Div 2)
- Made in the USA
Starting at
$1.07 / ft (25 ft. min.)
(THMWJ-20-2S-P-1)
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