Overview
This 10-pack of 50cm double-ended alligator clip test leads is the fastest way to make a temporary electrical connection without soldering, stripping, or screwing anything down. Clip one end to a battery, power supply, sensor probe, or test point, and clip the other end to your board, breadboard rail, or multimeter probe — the circuit closes in two seconds.
Each lead is 50cm (~20") long with a colored insulated boot over each steel clip, so you can color-code your power, ground, and signal runs at a glance. The 10-piece assortment covers the full rainbow — enough for a Pi-plus-Arduino bench setup, classroom kit, or a hobbyist drawer that never runs out of quick-connect leads.
At a Glance
Connector Type
Alligator Clip, Both Ends
Specifications
| Parameter |
Value |
| Lead Length |
50 cm (clip to clip) |
| Total Pieces |
10 leads |
| Clip Style |
Double-ended alligator (crocodile) clips |
| Clip Jaw Opening |
Up to ~6mm |
| Conductor Size |
22 AWG tinned copper, stranded |
| Insulation |
Flexible PVC |
| Clip Material |
Nickel-plated spring steel |
| Boot Material |
Colored PVC sleeve |
| Current Rating |
10A continuous |
| Voltage Rating |
300V DC |
| Color Options |
Red, black, yellow, green, blue (2 each) |
| Operating Temperature |
-20°C to +80°C |
How to Use
Squeeze the boot behind the clip to open the jaws, slip them over the target lead or pad, and release. The spring keeps a firm bite on bare wire, PCB pads, component leads, battery terminals, and screw heads. Do the same on the other end of the lead and you have a complete temporary connection.
Use the color coding to keep polarity clear — red for positive, black for ground, and other colors for individual signals or probes. When you're done, unclip and store the leads in a drawer or small parts bin; they don't tangle nearly as badly as Dupont wires.
Tip: For a quick multimeter probe extension, clip one end to the multimeter probe tip and the other end to a hard-to-reach point in your circuit. Hands-free measurement, no awkward probing.
Don't clip live mains: These leads are rated for low-voltage DC work (batteries, benchtop supplies, logic circuits). They are not rated for household AC mains or any high-voltage application.
Great pairings: Breadboard power rails, 9V batteries, bench power supplies, multimeter probes, speaker terminals, continuity testing, temporary LED or fan hookups, and quick sensor prototyping before final wiring.
Frequently Asked Questions
What can I clip these onto?
Anything the jaws can grip: bare wire, PCB pads, component leads, battery terminals, screw heads, breadboard tie points (with a bit of care), multimeter probes, banana plug shafts, and test pins. Not suitable for insulated wire — strip the end first.
How much current can they handle?
10A continuous is the nominal rating. Plenty for hobby-scale motors, LED strips, Arduino/Pi power, small DC pumps, and bench supplies up to ~100W. For higher currents, use soldered terminals or high-current banana plug leads.
Can I use these with a breadboard?
Yes, but not as cleanly as Dupont jumper wires. Clip the leads to the metal power rails at the edge of the breadboard, or to a single-ended male Dupont wire that's plugged into the breadboard. For wire-to-wire jumps, use regular jumper wires instead.
Are these safe for mains voltage?
No. Despite the 300V DC insulation rating, these test leads are not certified for AC mains work. Use only for low-voltage DC circuits — batteries, bench supplies, microcontroller projects, and hobby electronics.
Do they work with round battery terminals?
Yes. The jaws grip coin cell holders, 9V battery snap leads, AA/AAA battery contacts (once a wire is attached), car battery terminals, and most lead-acid battery posts. For bare coin cells, clip to the metal contact tabs on the holder, not the battery itself.
How do I keep them from tangling in storage?
Clip each lead's two ends together into a loop before tossing it in a drawer. Or, clip all ten leads end-to-end into a long chain — they store flat and unravel one at a time.
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