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About Safety Ratings for Electrical Testing
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Build-Your-Own Test Leads
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Choose your own combination of test lead tips and cords.
Tips
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| Test End | AC Voltage | DC Voltage | Current | Safety Rating | Color | Test End Material | Pair | ||
| D | Alligator Clip | 1,000 | 1,000 | 20A | CAT II, 1,000V | Black, Red | Nickel-Plated Steel | 0000000 | 000000 |
| E | Alligator Clip | 1,000 | 1,000 | 20A | CAT III, 1,000V | Black, Red | Nickel-Plated Brass | 0000000 | 00000 |
| F | Pointed Banana Plug | 1,000 | 1,000 | 10A | CAT III, 1,000V | Black, Red | Nickel-Plated Brass | 0000000 | 00000 |
| K | Precision Retractable Hook | 1,000 | 1,000 | 20A | CAT III, 1,000V | Black, Red | Nickel-Plated Brass | 0000000 | 00000 |
Test Lead Sets
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Pairs of red and black test leads are ready to connect to a multimeter or other electrical test equipment.
4 mm banana plug connection ends attach to a multimeter.
(D) Needle tip with alligator clips comes with alligator clips that screw onto the tips for two testing options with one test lead set.
| Style | Test End | Connection End | AC Voltage | DC Voltage | Current, A | Safety Rating | No. of Cords | Cord Lg. | Color | Test End Material | Pair | |
| D | Threaded Needle Tip with Alligator Clip | Banana Plug | 1,000 | 1,000 | 20 | CAT II, 300V | 2 | 44" | Black, Red | Stainless Steel | 0000000 | 000000 |
Fluke Test Lead Sets
TL26A
TL28A
Connect to Fluke multimeters with a set of red and black test leads.
The connection end is a 4 mm banana plug, which is the standard for connecting to a multimeter.
| Manufacturer Model Number | For Fluke Model Number | Test End | Connection End | AC Voltage | DC Voltage | Current, A | Safety Rating | Specifications Met | No. of Cords | Cord Lg. | Color | Test End Material | Pair | |
| TL26A | 83V, 87V, 179, 287, 289, 107, 88V/A | Serrated Alligator Clip | Sheathed Banana Plug | 30 | 30 | 8 | __ | CSA Certified, CSA-US Certified | 2 | 60" | Black, Red | Nickel-Plated Copper | 00000000 | 000000 |
| TL28A | 175, 177, 179, 287, 289, 107, 88V/A | Serrated Alligator Clip | Sheathed Banana Plug | 30 | 30 | 10 | CAT I, 30V | CSA Certified, CSA-US Certified | 2 | 60" | Black, Red | Copper | 00000000 | 00000 |
Alligator Clips
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Spring-loaded clips create a secure temporary electrical connection for hands-free testing.
Flat alligator clips create a more secure connection than clips with standard alligator jaws. Toothed clips have a stronger grip but make less overall contact than toothless clips.
304 stainless steel clips are corrosion resistant. Copper and silver clips conduct electricity better than 304 stainless steel clips.
Clips | Optional Vinyl Sleeves | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wire Connection | Clip Material | Insulation Style | Color | Jack Connection Size, mm | Jaw Opening | Tooth Style | Current, A | Lg. | Spring Material | Each | Each | |||
Alligator | ||||||||||||||
| A | Crimp, Solder | Copper | Noninsulated | __ | __ | 5/16" | Toothed | 10 | 2" | Stainless Steel | 0000000 | 00000 | 00000000 | 00000 |
| B | Banana Jack, Crimp, Solder | Nickel-Plated Steel | Noninsulated | __ | 4 | 5/16" | Toothed | 10 | 1 31/32" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| B | Banana Jack, Crimp, Solder | 304 Stainless Steel | Noninsulated | __ | 4 | 5/16" | Toothed | 10 | 1 31/32" | Stainless Steel | 0000000 | 0000 | 00000000 | 000 |
| B | Banana Jack, Crimp, Solder | Copper | Noninsulated | __ | 4 | 5/16" | Toothed | 10 | 1 31/32" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| C | Banana Jack, Crimp, Screw-Down | Nickel-Plated Steel | Insulated Barrel | Black | 4 | 5/16" | Toothed | 10 | 2 11/32" | Zinc-Plated Steel | 00000000 | 0000 | 000000 | 00 |
| C | Banana Jack, Crimp, Screw-Down | Nickel-Plated Steel | Insulated Barrel | Red | 4 | 5/16" | Toothed | 10 | 2 11/32" | Zinc-Plated Steel | 00000000 | 0000 | 000000 | 00 |
| C | Banana Jack, Crimp, Screw-Down | Copper | Insulated Barrel | Black | 4 | 5/16" | Toothed | 10 | 2 11/32" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| C | Banana Jack, Crimp, Screw-Down | Copper | Insulated Barrel | Red | 4 | 5/16" | Toothed | 10 | 2 11/32" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| D | Banana Jack | 304 Stainless Steel | Sleeve | Black | 4 | 1/4" | Toothed | 10 | 2 3/32" | Stainless Steel | 0000000 | 0000 | 000000 | 00 |
| D | Banana Jack | 304 Stainless Steel | Sleeve | Red | 4 | 1/4" | Toothed | 10 | 2 3/32" | Stainless Steel | 0000000 | 0000 | 000000 | 00 |
| D | Banana Jack | Copper | Sleeve | Black | 4 | 5/16" | Toothed | 10 | 2 1/4" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| D | Banana Jack | Copper | Sleeve | Red | 4 | 5/16" | Toothed | 10 | 2 1/4" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| D | Banana Jack, Crimp, Screw-Down | Nickel-Plated Steel | Sleeve | Black | 4 | 5/16" | Toothed | 10 | 2 1/4" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| D | Banana Jack, Crimp, Screw-Down | Nickel-Plated Steel | Sleeve | Red | 4 | 5/16" | Toothed | 10 | 2 1/4" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| E | Banana Jack, Crimp, Screw-Down | Nickel-Plated Steel | Noninsulated | __ | 4 | 5/16" | Toothed | 10 | 1 31/32" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| E | Banana Jack, Crimp, Screw-Down | Copper | Noninsulated | __ | 4 | 5/16" | Toothed | 10 | 1 31/32" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| F | Crimp, Screw-Down | Nickel-Plated Steel | Noninsulated | __ | __ | 5/16" | Toothed | 5 | 1 11/16" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| F | Crimp, Screw-Down | Copper | Noninsulated | __ | __ | 5/16" | Toothed | 10 | 1 11/16" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| G | Probe Jack | Nickel-Plated Steel | Noninsulated | __ | 2 | 5/16" | Toothed | 10 | 1 31/32" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| H | Banana Jack, Probe Jack | Nickel-Plated Steel | Molded | Black | 2 | 1/4" | Toothed | 10 | 1 5/8" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| H | Banana Jack, Probe Jack | Nickel-Plated Steel | Molded | Red | 2 | 1/4" | Toothed | 10 | 1 5/8" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| J | Banana Jack | Nickel-Plated Steel | Molded | Black | 4 | 7/16" | Toothed | 10 | 1 29/32" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| J | Banana Jack | Nickel-Plated Steel | Molded | Red | 4 | 7/16" | Toothed | 10 | 1 29/32" | Zinc-Plated Steel | 0000000 | 0000 | 000000 | 00 |
| K | Threaded Receptacle | Nickel-Plated Steel | Noninsulated | __ | __ | 5/16" | Toothed | 10 | 2 1/8" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
Micro Alligator | ||||||||||||||
| L | Crimp, Solder | Nickel-Plated Steel | Noninsulated | __ | __ | 3/16" | Toothed | 5 | 1 3/32" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| L | Crimp, Solder | Copper | Noninsulated | __ | __ | 3/16" | Toothed | 5 | 1 3/32" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| M | Banana Jack, Crimp, Solder | Nickel-Plated Steel | Noninsulated | __ | 4 | 3/16" | Toothed | 5 | 1 1/4" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| N | Threaded Receptacle | Nickel-Plated Steel | Noninsulated | __ | __ | 3/16" | Toothed | 5 | 1 1/2" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| P | Crimp, Solder | Nickel-Plated Steel | Noninsulated | __ | __ | 0.22" | Toothless | 5 | 1 3/32" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| P | Crimp, Solder | Copper | Noninsulated | __ | __ | 0.22" | Toothless | 5 | 1 3/32" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| P | Crimp, Solder | Copper | Noninsulated | __ | __ | 1/4" | Toothless | 5 | 1 3/32" | Stainless Steel | 0000000 | 0000 | 00000000 | 000 |
Long Nose Alligator | ||||||||||||||
| Q | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | __ | __ | 5/16" | Toothed | 5 | 2 1/8" | Stainless Steel | 0000000 | 0000 | 00000000 | 000 |
| Q | Crimp, Screw-Down | Copper | Noninsulated | __ | __ | 5/16" | Toothed | 10 | 2 1/8" | Stainless Steel | 0000000 | 0000 | 00000000 | 000 |
Insulation Piercing Alligator | ||||||||||||||
| R | Crimp, Screw-Down | Nickel-Plated Silver | Noninsulated | __ | __ | 1" | Toothed | 5 | 2 5/8" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 0000 |
Flat Alligator | ||||||||||||||
| S | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | __ | __ | 5/16" | Toothed | 5 | 1 17/32" | Zinc-Plated Steel | 0000000 | 000 | 00000000 | 000 |
| S | Crimp, Screw-Down | Copper | Noninsulated | __ | __ | 5/16" | Toothed | 10 | 1 17/32" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 000 |
| T | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | __ | __ | 7/16" | Toothed | 10 | 2" | Stainless Steel | 00000000 | 0000 | 00000000 | 0000 |
| U | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | __ | __ | 1/2" | Toothed | 10 | 2" | Zinc-Plated Steel | 0000000 | 0000 | 00000000 | 0000 |
High-Current Test Clips
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Test equipment that draws more than 10 amps of current. These clips are spring loaded to hold tight for hands-free testing.
Flat alligator clips create a more secure connection than clips with standard alligator jaws. Toothed clips have a stronger grip but make less overall contact than toothless clips.
304 stainless steel clips are corrosion resistant. Copper clips conduct electricity better than 304 stainless steel clips.
Clips with a piercing needle cut into the wire's insulation to make contact with the wire while leaving the rest of the insulation intact.
Clips with easy-open handles need 75% less force to open compared to other clips, yet have the same grip strength. That means you can use them all day without tiring.
Alligator
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| Wire Connection | Clip Material | Insulation Style | Jack Connection Size, mm | Jaw Opening | Tooth Style | Current, A | Lg. | Spring Material | Specifications Met | Features | Choose a Color | Each | ||
Toothed | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | Banana Jack | Nickel-Plated Steel | Molded | 4 | 3/4" | Toothed | 30 | 3 9/32" | Zinc-Plated Steel | UL Listed | __ | 00000000 | 00000 | |
| B | 1/4" Male Quick-Connect Terminal | 304 Stainless Steel | Molded | __ | 0.63" | Toothed | 30 | 3 5/32" | Steel | __ | Quick-Connect Terminal | 00000000 | 0000 | |
Flat Alligator
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Clips | Optional Vinyl Sleeves | |||||||||||||
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| Wire Connection | Clip Material | Insulation Style | Screw Connection Thread Size | Jaw Opening | Tooth Style | Current, A | Lg. | Spring Material | Features | Each | Each | |||
Toothed | ||||||||||||||
| C | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | 6-32 | 5/8" | Toothed | 20 | 2 7/16" | Zinc-Plated Steel | __ | 0000000 | 00000 | 00000000 | 00000 |
| C | Crimp, Screw-Down | 304 Stainless Steel | Noninsulated | 6-32 | 5/8" | Toothed | 20 | 2 7/16" | Stainless Steel | __ | 00000000 | 0000 | 00000000 | 0000 |
| C | Crimp, Screw-Down | Copper | Noninsulated | 6-32 | 5/8" | Toothed | 40 | 2 7/16" | Stainless Steel | __ | 0000000 | 0000 | 00000000 | 0000 |
| C | Crimp, Screw-Down | Copper | Noninsulated | 6-32 | 5/8" | Toothed | 40 | 2 7/16" | Zinc-Plated Steel | __ | 0000000 | 0000 | 00000000 | 0000 |
| D | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | 8-32 | 3/4" | Toothed | 40 | 3" | Stainless Steel | __ | 0000000 | 0000 | 00000000 | 0000 |
| D | Crimp, Screw-Down | 304 Stainless Steel | Noninsulated | 8-32 | 3/4" | Toothed | 40 | 3" | Stainless Steel | __ | 00000000 | 0000 | 00000000 | 0000 |
| D | Crimp, Screw-Down | Copper | Noninsulated | 8-32 | 3/4" | Toothed | 75 | 3" | Stainless Steel | __ | 0000000 | 0000 | 00000000 | 0000 |
| E | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | 8-32 | 3/4" | Toothed | 25 | 2 27/32" | Zinc-Plated Steel | __ | 0000000 | 0000 | 00000000 | 0000 |
| F | Crimp, Screw-Down | 304 Stainless Steel | Noninsulated | 10-32 | 1 1/16" | Toothed | 50 | 4 3/32" | Stainless Steel | __ | 0000000 | 00000 | 0000000 | 0000 |
| G | Solder | Copper | Noninsulated | __ | 1 1/16" | Toothed | 100 | 4 5/16" | Stainless Steel | __ | 0000000 | 00000 | 0000000 | 0000 |
| H | Crimp, Screw-Down | Copper | Noninsulated | 6-32 | 1/2" | Toothed | 20 | 2" | Zinc-Plated Steel | __ | 0000000 | 0000 | 00000000 | 0000 |
| J | Crimp, Solder | Copper | Noninsulated | __ | 1 13/16" | Toothed | 300 | 7 3/4" | Steel | __ | 0000000 | 00000 | 00000000 | 00000 |
| K | Crimp, Screw-Down | Copper | Noninsulated | __ | 1/2" | Toothed | 20 | 2 9/32" | Zinc-Plated Steel | Piercing Needle | 00000000 | 0000 | 00000000 | 0000 |
| L | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | __ | 1" | Toothed | 40 | 3" | Zinc-Plated Steel | __ | 00000000 | 0000 | 00000000 | 0000 |
| M | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | __ | 1 5/8" | Toothed | 100 | 6" | Zinc-Plated Steel | __ | 0000000 | 00000 | 00000000 | 0000 |
| M | Crimp, Screw-Down | 304 Stainless Steel | Noninsulated | __ | 1 5/8" | Toothed | 100 | 6" | Stainless Steel | __ | 00000000 | 00000 | 00000000 | 0000 |
| M | Crimp, Screw-Down | Copper | Noninsulated | __ | 1 5/8" | Toothed | 200 | 6" | Zinc-Plated Steel | __ | 0000000 | 00000 | 00000000 | 0000 |
| M | Crimp, Screw-Down | Copper | Noninsulated | 10-32 | 1 1/16" | Toothed | 100 | 4 1/2" | Zinc-Plated Steel | __ | 0000000 | 00000 | 0000000 | 0000 |
| N | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | 10-32 | 1 1/16" | Toothed | 50 | 4 1/2" | Zinc-Plated Steel | __ | 0000000 | 0000 | 0000000 | 0000 |
| P | Crimp, Screw-Down | Zinc-Plated Steel | Noninsulated | 10-32 | 1 1/16" | Toothed | 50 | 4 1/2" | Zinc-Plated Steel | Easy-Squeeze Handles | 00000000 | 00000 | 000000 | 00 |
| P | Crimp, Screw-Down | Copper | Noninsulated | 10-32 | 1 1/16" | Toothed | 100 | 4 1/2" | Zinc-Plated Steel | Easy-Squeeze Handles | 00000000 | 00000 | 000000 | 00 |