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Red silicone test lead wire on a 50 ft roll, 18 AWG, CAT III 10000 V rating

Pomona Electronics

Pomona Electronics 6733-2 Test Lead Wire 50 ft Red CAT III 10000 V

SKU CH-GXXT-6JGS3

50 ft red 18 AWG silicone test lead rated CAT III 10,000 V and 20 A per IEC 61010-031

  • TypeDigital Multimeters
  • CAT III 10,000 V rating protects against high-energy transients
  • 50 ft roll of 18 AWG silicone wire gives long, flexible reach
  • 65×36 tinned copper stranding ensures low resistance and durability
  • Operates from -58 °F to 302 °F for extreme environments
  • IEC 61010-031 compliance confirms safety for measurement Category III

Test Lead Wire 50 ft Red

Pomona Electronics 6733-2 is a 50 ft roll of red test lead wire rated CAT III for 10,000 V maximum voltage. It uses 18 AWG silicone-insulated conductors with 65 strands of 36 AWG tinned copper. The wire meets IEC 61010-031 safety standards for measurement applications. Suited for technicians building or repairing high-voltage test assemblies.

Thermals Noise and Power Draw

Silicone insulation remains flexible from -58 °F to 302 °F, so the lead handles ambient heat without stiffening or cracking. The conductor is rated for 20 A maximum current, limiting resistive heating during normal measurements. No active cooling or power supply is required, so the wire adds zero acoustic noise to the bench.

Sustained Load Behavior

At continuous 20 A the 18 AWG conductor will warm within its 302 °F temperature rating, and the silicone jacket maintains dielectric integrity at the full 10,000 V CAT III rating. Voltage drop scales with length, so users must account for the 50 ft run in precision work. The stranded construction resists fatigue from repeated flexing during long test sessions.

Highlights

  • CAT III 10,000 V rating protects against high-energy transients
  • 50 ft roll of 18 AWG silicone wire gives long, flexible reach
  • 65×36 tinned copper stranding ensures low resistance and durability
  • Operates from -58 °F to 302 °F for extreme environments
  • IEC 61010-031 compliance confirms safety for measurement Category III

Specifications

BrandPOMONA
TypeDigital Multimeters

Questions about this item

How do I install the 6733-2 test lead wire, and what step is often missed?

Cut the 50 ft roll to length, strip the 18 AWG silicone insulation, and crimp or solder connectors to the 65x36 tinned copper strands; the step often missed is verifying the CAT III 10,000 V rating after termination.

What maintenance or replacement will the 6733-2 test lead wire need later?

Inspect the silicone jacket for cracks or abrasion; replace the lead if the insulation is damaged or if the conductor shows corrosion beyond the 20 A current capacity.

What limit appears first on the 6733-2 test lead wire during sustained use?

The 302 °F maximum operating temperature is the first limit reached under continuous 20 A load before the 10,000 V CAT III rating is compromised.

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