Harsh Environment Wire

Harsh environment wires are a type of cable designed to be used in hazardous settings, where the conditions are likely to break or interfere with the function of a regular cable. This may mean high temperatures, high pressure or water. The outer sheath of the wire needs to be very resistant to different conditions and the internal composition of the wire, such as the shield and conductor, may also need to be more rugged.

What are harsh environment wires used for?

Harsh environment wires have a number of applications for scenarios where a regular wire would not work. For example, wiring in aerospace engineering often uses this type of wire, as do many applications where wiring needs to be placed underwater. They are often used in industries such as oil and gas, the military and the chemical industry.

Types of harsh environment wire

Harsh environment wires can differ broadly depending on the type of environment they need to be placed in. They can have different insulation materials and thicknesses, making them resistant to higher or lower temperatures, as well as varying lengths and diameters.


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Description Price Cross Sectional Area Sheath Colour Wire Style American Wire Gauge Insulation Material Resistant To Core Strands Minimum Operating Temperature Maximum Operating Temperature Operating Temperature Range Length Outer Diameter Voltage Rating Fire Behaviour
RS Stock No. 724-4547
Mfr. Part No.51000
BrandLapp
TWD2,357.00
1 Reel of 100 Metre(s)
Reel(s)
1.5 mm² Green/Yellow - 15 AWG Silicone Chemicals, Oils 30/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.8mm 300 V -
RS Stock No. 438-626
Mfr. Part No.0026002
BrandLapp
TWD7,785.00
1 Reel of 100 Metre(s)
Reel(s)
0.75 mm² Black - 18 AWG PVC Heat - -20°C +90°C -20 → +90 °C 100m 6.5mm 500 V -
RS Stock No. 724-4468
Mfr. Part No.48000
BrandLapp
TWD1,237.00
1 Reel of 100 Metre(s)
Reel(s)
0.5 mm² Green/Yellow - 20 AWG Silicone Chemicals, Oils 16/0.2 mm -50°C +180°C -50 → +180 °C 100m 2.1mm 300 V -
RS Stock No. 724-4471
Mfr. Part No.48002
BrandLapp
TWD1,200.00
1 Reel of 100 Metre(s)
Reel(s)
0.5 mm² Blue - 20 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.1mm 300 V -
RS Stock No. 724-4452
Mfr. Part No.47104
BrandLapp
TWD1,064.00
1 Reel of 100 Metre(s)
Reel(s)
0.25 mm² Red - 24 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 1.9mm 300 V -
RS Stock No. 724-4557
Mfr. Part No.51005
BrandLapp
TWD2,357.00
1 Reel of 100 Metre(s)
Reel(s)
1.5 mm² Yellow - 15 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.8mm 300 V -
RS Stock No. 724-4474
Mfr. Part No.48003
BrandLapp
TWD1,237.00
1 Reel of 100 Metre(s)
Reel(s)
0.5 mm² Brown - 20 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.1mm 300 V -
RS Stock No. 724-4516
Mfr. Part No.49105
BrandLapp
TWD1,421.00
1 Reel of 100 Metre(s)
Reel(s)
0.75 mm² White - 18 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.4mm 300 V -
RS Stock No. 724-4465
Mfr. Part No.47106
BrandLapp
TWD1,064.00
1 Reel of 100 Metre(s)
Reel(s)
0.25 mm² Grey - 24 AWG Silicone Chemicals, Oils 14/0.15 mm -50°C +180°C -50 → +180 °C 100m 1.9mm 300 V -
RS Stock No. 724-4553
Mfr. Part No.51003
BrandLapp
TWD2,357.00
1 Reel of 100 Metre(s)
Reel(s)
1.5 mm² Brown - 15 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.8mm 300 V -
RS Stock No. 724-4493
Mfr. Part No.49000
BrandLapp
TWD1,503.00
1 Reel of 100 Metre(s)
Reel(s)
0.75 mm² Green/Yellow - 18 AWG Silicone Chemicals, Oils 24/0.2 mm -50°C +180°C -50 → +180 °C 100m 2.4mm 300 V -
RS Stock No. 724-4456
Mfr. Part No.47105
BrandLapp
TWD1,064.00
1 Reel of 100 Metre(s)
Reel(s)
0.25 mm² White - 24 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 1.9mm 300 V -
RS Stock No. 724-4544
Mfr. Part No.50106
BrandLapp
TWD1,740.00
1 Reel of 100 Metre(s)
Reel(s)
1 mm² Grey - 17 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.5mm 300 V -
RS Stock No. 724-4443
Mfr. Part No.47001
BrandLapp
TWD1,064.00
1 Reel of 100 Metre(s)
Reel(s)
0.25 mm² Black - 24 AWG Silicone Chemicals, Oils 14/0.15 mm -50°C +180°C -50 → +180 °C 100m 1.9mm 300 V -
RS Stock No. 724-4529
Mfr. Part No.50003
BrandLapp
TWD1,793.00
1 Reel of 100 Metre(s)
Reel(s)
1 mm² Brown - 17 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.5mm 300 V -
RS Stock No. 724-4535
Mfr. Part No.50105
BrandLapp
TWD1,732.00
1 Reel of 100 Metre(s)
Reel(s)
1 mm² White - 17 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.5mm 300 V -
RS Stock No. 724-4563
Mfr. Part No.51106
BrandLapp
TWD2,357.00
1 Reel of 100 Metre(s)
Reel(s)
1.5 mm² Grey - 15 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.8mm 300 V -
RS Stock No. 438-632
Mfr. Part No.0026012
BrandLapp
TWD12,206.00
1 Reel of 100 Metre(s)
Reel(s)
1.5 mm² Black - 15 AWG PVC Heat - -20°C +90°C -20 → +90 °C 100m 8.1mm 500 V -
RS Stock No. 724-4490
Mfr. Part No.49002
BrandLapp
TWD1,471.00
1 Reel of 100 Metre(s)
Reel(s)
0.75 mm² Blue - 18 AWG Silicone Chemicals, Oils 19/0.25 mm -50°C +180°C -50 → +180 °C 100m 2.4mm 300 V -
RS Stock No. 724-4446
Mfr. Part No.47002
BrandLapp
TWD1,064.00
1 Reel of 100 Metre(s)
Reel(s)
0.25 mm² Blue - 24 AWG Silicone Chemicals, Oils 14/0.15 mm -50°C +180°C -50 → +180 °C 100m 1.9mm 300 V -