Wire Piercing Test Hook Probe 4mm Banana Plug CAT III 1000V
The Wire Piercing Test Hook Probe lets you test live circuits instantly — no wire stripping required. Simply pierce the insulation with the sharp needle tip to get accurate voltage and current readings. Rated CAT III 1000V / 10A, it's built for demanding automotive, industrial, and DIY electrical work.
Key Features
- No Wire Stripping Needed — The sharp 2mm needle tip pierces wire insulation directly, enabling fast readings while minimising any risk of extra wire damage during inspection.
- 4mm Safety Banana Plug Compatible — The rear socket fits standard 4mm safety banana plugs, connecting seamlessly with most multimeter test leads right out of the box.
- Reliable Signal Transmission — Copper core construction with a nickel-plated metal needle ensures stable conductivity and consistent contact during every test.
- Durable PA Insulated Body — The lightweight polyamide (PA) shell is tough, comfortable to grip, and provides solid insulation for safe daily electrical testing.
- Red & Black Color Options — Easy color distinction makes it simple to identify positive and negative leads at a glance, reducing wiring errors.
- Wide-Ranging Applications — Ideal for automotive wiring, motorcycle repair, home appliance diagnostics, circuit troubleshooting, electronic DIY projects, and control panel inspection.
Product Specifications
| Model | J.30057 |
| Material | Copper + PA (Polyamide) |
| Surface Finish | Nickel Plated |
| Connection | 4mm Safety Banana Plug |
| Rated Voltage | CAT III 1000V |
| Max Current | 10A |
| Needle Diameter | 2mm |
| Length | 4.57 in / 11.6 cm |
| Available Colors | Red / Black |
Package Contents
- 1 × Wire Piercing Test Hook Probe
Made in Mainland China.
Safety Note: Always operate within the rated voltage (CAT III 1000V) and current (10A) limits. Follow proper electrical safety procedures when working on live circuits. Manual measurements may have slight dimensional tolerances.
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Frequently Asked Questions
Q: Do I need to strip the wire insulation before using this test hook probe?
A: No — the sharp 2mm nickel-plated needle tip is designed to pierce through wire insulation directly, allowing you to measure voltage and current without stripping or damaging the wire. This makes it ideal for fast automotive circuit checks and electrical diagnostics.
Q: Is this wire piercing probe compatible with my multimeter?
A: Yes. The probe features a standard 4mm safety banana plug socket at the rear, which is compatible with virtually all common multimeter test leads. Simply plug your existing lead into the socket and you're ready to test.
Q: What is the maximum voltage and current rating for this probe?
A: This wire piercing test hook probe is rated at CAT III 1000V with a maximum current of 10A, making it suitable for professional automotive wiring, household appliance testing, and general circuit troubleshooting in demanding environments.