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Certificate

Caledonian Certifications

750°C 300V High Temperature Wire

Application

Optimized for low-voltage signal and instrumentation circuits in extreme-heat zones. Used for thermocouple extension wiring, sensor connections, and control circuits inside furnaces, smelters, and incinerators where a 300V rating is sufficient but 750°C endurance is mandatory. Ideal for glass furnace instrumentation, steel mill sensor arrays, ceramic kiln monitoring, and aerospace ground-test equipment where compact high-temperature wiring is required for reliable data transmission under sustained extreme thermal loads.

Construction

Conductor
Stranded nickel
Insulation
Mica tape
Jacket
Fiberglass braid with high-temperature finish
Rated Voltage
300 V
Rated Temperature
750°C
Color
Tan, Red, White, Yellow, Green, Brown, Black, Blue

Parameter

Size Conductor Structure Insulation Jacket Approx. O.D.
mm²   mm mm mm
18 17/0.25 0.64 0.25 3.0
16 27/0.25 0.64 0.25 3.3
14 42/0.25 0.64 0.25 3.7
12 67/0.25 0.64 0.25 4.2
10 106/0.25 0.76 0.25 5.3
8 168/0.25 0.76 0.25 6.1
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