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A pair of red and black Fluke alligator clips with insulated jaws and threaded connections

Fluke

Fluke AC175 Alligator Clips 1000V Red Black Pair

SKU CH-S774-1GGBY

A pair of 1000 V CAT III / CAT IV 600 V alligator clips with 0.38 in nickel-plated jaws for 2 mm probe tips

  • Product typeEnvironmental & Mechanical
  • CAT IV 600 V and CAT III 1000 V safety rating for high-voltage protection
  • 0 A maximum current capacity handles demanding measurements
  • 1000 V AC/DC rating for both handheld and hands-free use
  • 38 in jaw opening grips a wide range of conductors
  • Nickel-plated steel jaws with polypropylene and Santoprene insulation ensure durability

Fluke AC175 Alligator Clips for Test Probes

The Fluke AC175 set provides one red and one black alligator clip rated for 1000V AC/DC hand-held or hands-free use. They connect to test probes with a .08 in tip, giving technicians a secure, hands-free connection for electrical measurements. The clips are rated to 10.0 amps and carry CAT IV 600V and CAT III 1000V safety ratings for industrial environments.

Insulated Jaws and Thermal Stability

Nickel-plated steel jaws are insulated with polypropylene and Santoprene to prevent accidental shorts during live circuit work. The materials are chosen to remain stable at the rated voltages and currents without softening or degrading in normal ambient conditions. No active cooling is required and the clips operate silently during extended measurement sessions.

Sustained Load Performance

Under continuous load up to 10.0 amps at 1000V the clips maintain stable contact resistance through the threaded probe connection. The jaw opening of .38 in accommodates a range of conductor sizes without loss of grip over time. They are not suited for applications exceeding the stated CAT ratings or for permanent installation in place of fixed terminals.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 62% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameFLUKE
Product typeEnvironmental & Mechanical

Questions about this item

How do I connect the AC175 clips to my test leads and what step is often missed?

Screw the threaded collar onto probes with a 0.08 in (2 mm) tip until the threads bottom out; the step people skip is tightening fully, which can leave a high-resistance joint.

What part of the AC175 will wear out first and need replacement?

The nickel-plated steel jaws and the polypropylene/Santoprene insulation will degrade with repeated clamping and heat cycles; replace the clip set when the jaws no longer grip firmly or the insulation shows cracks.

Which rating limits continuous hands-free use on a 1000 V circuit?

The CAT III 1000 V / CAT IV 600 V safety rating is the governing limit; sustained measurements at 1000 V must stay within CAT III conditions, not CAT IV.

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