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Non-Contact Voltage Tester

Know If It's Live. Before You Touch It.

A pocket-sized inductive tester that detects 90–1000V AC without touching a single wire β€” and tells you with a red light and a beep.

⚑ 90–1000V AC πŸ”Š Sound + Light Alarm πŸ’‘ Built-In Torch πŸ“ CAT III 1000V
Live wire and neutral wire identification with the voltage tester pen
Why Electricians Keep One In The Pocket Guessing which wire is live is how accidents happen. This removes the guess in about two seconds.
⚑No Contact NeededDetects AC voltage through insulation β€” no stripping, no probing bare metal.
πŸ”ŠBeeps And GlowsRed tip light plus an audible alarm, so you get the warning even in a noisy or dark spot.
πŸ”ŒLive vs NeutralFast, frequent flashing and loud beeping on live; weak or no signal on neutral.
πŸ’‘Torch Built InA front LED for dark meter cupboards, ceilings and under-sink junction boxes.
Inductive alarm detection showing red light and alarm at a wall socket
Where You'll Actually Use It Not just a job-site tool β€” it settles the everyday "is this thing dead or not?" question at home too.
πŸ”ŒSockets & SwitchesCheck a socket or switch board before you open it up.
πŸ’‘Fixtures & FansConfirm the supply is off before changing a bulb holder, fan or light fitting.
🧩Cables & ExtensionsTrace which extension cord or lead is carrying power.
πŸ› Breaker HuntingWork out which MCB actually kills the circuit you're working on.
Line break detection on an energized cable using the voltage tester
Find The Break, Not Just The Power Run it along a live cable. Where the signal stops, that's where the break is.
No cutting the wall open to find out.
How To Use It Four steps. The second one is the one people skip β€” don't.
1Switch it onPress the button. Fit two AAA batteries first if it's a fresh unit.
2Test on a known live sourceTouch it to a socket you know is energised and confirm it alarms. This proves the pen and the batteries are working before you trust a "no voltage" reading.
3Bring the tip to the pointHold the flat probe close to the socket, terminal or cable you want to check.
4Read the alarmFast red flashing with loud beeping means live. Re-test on the known source afterwards to confirm the pen still works.
Test Β· Check Β· Re-test
Non-contact detection of live wire and neutral line through cable insulation
Against A Traditional Line Tester The old screwdriver-style tester needs you to touch metal and complete a circuit through your own body.
Β  This Inductive Pen Screwdriver Tester
Contact with conductor βœ“ Not required βœ— Must touch metal
Works through insulation βœ“ Yes βœ— No
Audible warning βœ“ Beeper βœ— Light only
Visible in daylight βœ“ Bright red tip βœ— Dim neon glow
Torch βœ“ Built in βœ— None
Cable break tracing βœ“ Yes βœ— No
Specifications Everything on the spec sheet, straight from the manufacturer.
Product parameters and dimensions for the inductive voltage tester pen
⚠️ Please Read Before You Use It β€’ Always test on a known live source before and after checking a circuit. A flat battery or a damaged pen can give a silent "no voltage" reading on a wire that is very much live. β€’ A non-contact tester can miss voltage. Shielded or armoured cable, metal conduit, thick insulation, recessed conductors and the way you hold the pen can all suppress the signal. Treat "no alarm" as a hint, not proof. β€’ Never use it as your only proof that a circuit is dead before working on it. Switch off at the MCB, lock it off, and verify with a contact tester or multimeter. β€’ Mains work carries a real risk of electrocution. If you're not confident, call a licensed electrician.
Two Seconds Of Checking. Every Time. Fits in a shirt pocket, lives in the toolbox, and pays for itself the first time it stops you touching something live. 🎁 EXTRA 15% OFF ON PREPAID ORDERS
Frequently Asked Questions
Do I need to touch the wire?+
No. It senses the electric field around an AC conductor, so you can hold the tip near a socket, terminal or insulated cable without making contact.
Will it detect DC, like a car battery?+
No. It's an AC-only tester rated 90–1000V at 50/60Hz. It will not respond to DC circuits such as batteries, solar panels or vehicle wiring.
It didn't beep β€” is the wire definitely safe?+
Not necessarily, and this matters. Non-contact testers can miss live voltage behind shielding, metal conduit or thick insulation, and a weak battery can silence them entirely. Always confirm the pen alarms on a known live source first, and never rely on it alone to declare a circuit dead.
What batteries does it take?+
Two AAA (No. 7) batteries. Keep a spare pair around β€” a fading battery reduces sensitivity before it fully stops working.
Can a beginner use it?+
Yes, for simple checks like finding which socket is live or which breaker kills a circuit. It is not a substitute for training β€” any actual wiring work on mains should be done by, or under, a licensed electrician.
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