Test Lead Wire

Test lead wire is a collection of strand wires, ideal for test leads, assemblies, patch cords and test fixtures. It's available in a range of insulator options, lengths and colours to suit all testing needs. It's used in research laboratories and in training workshops, as well as for electronic testing.

What is test lead wire made from?

Made up of a bundle of fine strands of conductive copper, test lead wire is covered with either a PVC or silicone sheath jacket that acts as an insulator. This gives the wire protection as well as the flexibility it needs for any application.

Choosing the right test lead wire

The two most important factors to consider then choosing your test lead wire are the type of wire insulation and the wire stranding. A range of insulation choices is available and includes silicone, PVC and silicone rubber. A silicone insulation gives more flexibility and is suitable for use in high temperature environments. It's also ideal for use with high currents. Test lead wire is supplied in a range of different lengths and gauges, allowing it to be cut or assembled as required.


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Description Price Cross Sectional Area Sheath Colour Insulation Material Length Voltage Rating Current Rating American Wire Gauge Outer Diameter Conductor Material Core Strands Cable Shape Number of Strands Shield Type Insulation Wall Thickness
RS Stock No. 748-1995
BrandRS PRO
£14.50
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Red Silicone Rubber 5m 500 V - 13 AWG 3.9mm Tinned Copper 462/0.08 mm Single Core 462 Unshielded 0.95mm
RS Stock No. 748-1998
BrandRS PRO
£14.50
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Black Silicone Rubber 5m 500 V - 13 AWG 3.9mm Tinned Copper 462/0.08 mm Single Core 462 Unshielded 0.95mm
RS Stock No. 748-2014
BrandRS PRO
£17.46
1 Reel of 25 Metre(s)
Reel(s)
1 mm² Black CSP Rubber 25m 2 kV 10 A 17 AWG 4mm Tinned Copper 55/0.15 mm Single Core 55 Unshielded 1.35mm
RS Stock No. 748-2033
BrandRS PRO
£14.98
1 Reel of 25 Metre(s)
Reel(s)
0.25 mm² Black Silicone Rubber 25m 500 V 1.4 A 24 AWG 2mm Tinned Copper 50/0.08 mm Single Core 50 Unshielded 0.65mm
RS Stock No. 748-1964
BrandRS PRO
£9.47
1 Bag of 5 Metre(s)
Bag(s)
1 mm² Red Silicone 5m 500 V 19 A 17 AWG 3.3mm Tinned Copper 332/0.06 mm Single Core 332 Tinned Copper 1mm
RS Stock No. 748-2018
BrandRS PRO
£17.46
1 Reel of 25 Metre(s)
Reel(s)
1 mm² Red CSP Rubber 25m 2 kV 10 A 17 AWG 4mm Tinned Copper 55/0.15 mm Single Core 55 Unshielded 1.35mm
RS Stock No. 748-1970
BrandRS PRO
£11.17
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Black PVC 5m 500 V 32 A 13 AWG 3.9mm Bare Copper 651/0.07 mm Single Core 651 Annealed Copper 0.85mm
RS Stock No. 714-1729
BrandRS PRO
£29.84
Each
Units
- - - 36m - - - 1.22mm Nickel Chrome Alloy - Single Core - - -
RS Stock No. 748-1973
BrandRS PRO
£9.47
1 Bag of 5 Metre(s)
Bag(s)
1 mm² Black Silicone 5m 500 V 19 A 17 AWG 3.3mm Tinned Copper 332/0.06 mm Single Core 332 Tinned Copper 1mm
RS Stock No. 748-2027
BrandRS PRO
£14.98
1 Reel of 25 Metre(s)
Reel(s)
0.25 mm² Red Silicone Rubber 25m 500 V 1.4 A 24 AWG 2mm Tinned Copper 50/0.08 mm Single Core 50 Unshielded 0.65mm
RS Stock No. 748-2024
BrandRS PRO
£31.28
1 Reel of 25 Metre(s)
Reel(s)
0.75 mm² Red Silicone Rubber 25m 500 V - 18 AWG 3.3mm Tinned Copper 149/0.08 mm Single Core 149 Unshielded 1mm
RS Stock No. 748-2020
BrandRS PRO
£20.27
1 Reel of 25 Metre(s)
Reel(s)
0.75 mm² Black Silicone Rubber 25m 500 V - 18 AWG 3.3mm Tinned Copper 149/0.08 mm Single Core 149 Unshielded 1mm
RS Stock No. 748-2011
BrandRS PRO
£4.44
1 Bag of 5 Metre(s)
Bag(s)
0.5 mm² Black PVC 5m 500 V - 20 AWG 2.3mm Bare Copper 100/0.08 mm Single Core 100 Unshielded 0.65mm
RS Stock No. 714-1723
BrandRS PRO
£30.83
Each
Units
- - - 36m - - - 0.91mm Nickel Chrome Alloy - Single Core - - -
RS Stock No. 714-1726
BrandRS PRO
£29.31
Each
Units
- - - 11.5m - - - 1.63mm Nickel Chrome Alloy - Single Core - - -
RS Stock No. 748-1976
BrandRS PRO
£11.17
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Red PVC 5m 500 V - 13 AWG 3.9mm Bare Copper 498/0.08 mm Single Core 498 Unshielded 0.85mm
RS Stock No. 748-2005
BrandRS PRO
£13.83
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Yellow Silicone Rubber 5m 500 V - 13 AWG 3.9mm Tinned Copper 462/0.08 mm Single Core 462 Unshielded 0.95mm
RS Stock No. 748-2002
BrandRS PRO
£4.44
1 Bag of 5 Metre(s)
Bag(s)
0.5 mm² Red PVC 5m 500 V - 20 AWG 3.1mm Bare Copper 100/0.08 mm Single Core 100 Unshielded 0.65mm
RS Stock No. 748-2008
BrandRS PRO
£13.83
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Green Silicone Rubber 5m 500 V - 13 AWG 3.9mm Tinned Copper 462/0.08 mm Single Core 462 Unshielded 0.95mm
RS Stock No. 748-1982
BrandRS PRO
£11.17
1 Bag of 5 Metre(s)
Bag(s)
2.5 mm² Yellow PVC 5m 500 V - 13 AWG 3.9mm Bare Copper 498/0.08 mm Single Core 498 Unshielded 0.85mm
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