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Voltage tester screwdriver buying guide

Updated: October 2026

You are on an amazon.co.uk page titled voltage tester screwdriver, and the next result may be a neon pair, a named phase tester, or a pen with a screen. A voltage tester screwdriver buying guide has to split those three before the brand, because a title can disagree with its bullets, and none of the eight proves a circuit dead. The listings are on the [voltage tester screwdriver comparison](/hub/hand-tools/voltage-tester-screwdriver). The Products Compared editorial team read them on 16 October 2026 against HSE GS38. There is no laboratory test. Prices are the 15 October 2026 extracts and can move. A qualifying purchase through our links can earn a commission at no extra cost to you.

You are on an amazon.co.uk page titled voltage tester screwdriver, and the next result may be a neon pair, a named phase tester, or a pen with a screen.

Our top picks

Bosch Professional Bosch SL3x65 phase tester

Best overall

Bosch Professional Bosch SL3x65 phase tester
8.6/10about £5.99
View offer
Rolson Rolson 28110 2-piece pair

Preis-Tipp

Rolson Rolson 28110 2-piece pair
7.9/10about £4.23
View offer
KAIWEETS KAIWEETS contact and non-contact pen

Alternative

KAIWEETS KAIWEETS contact and non-contact pen
6.6/10about £16.98
View offer
On this page
  1. 1.Three tools under one name
  2. 2.The voltage line that matches UK mains
  3. 3.Slotted tip, two lengths, and a neon you can see
  4. 4.What a named standard does and does not say

Three tools under one name

Most of this set is a neon with no battery. A glow means you treat that point as live. No glow means the lamp did not strike, not that the wire is dead. The named phase tester is the Bosch SL3x65: AC 120–250 V, a glow lamp, and DIN VDE 0680-6, at £5.99 with 4.6 stars from 793 ratings. The electronic pen is KAIWEETS, the only listing with an LCD, a beep, and a non-contact mode, at £16.98 with 4.3 stars from 216 ratings. Its contact claim is 3–500 V AC. Do not merge that figure with a neon's 100–250 V. Who should skip which listing is on the best voltage tester screwdriver page.

The voltage line that matches UK mains

UK mains are 230 V. A printed 100–250 V or 120–250 V covers that. A line that stops at 220 V is tight. Eightwood's bullets say 220 V, and reviews there keep mentioning a dim neon, so the ceiling and the lamp are separate doubts. A 12 V figure on a neon is not a credible strike voltage. Cfanibo (£6.46, 1.0 from three ratings) and ZenithQuest (£6.59, 4.2 from eight) both print 12–220 V, and a ZenithQuest review says the tips sheared. If the job is a vehicle, leave the set. PaulStore's title says 100–500 V and VDE, while the bullets say 100–250 V. Do not stitch those into one range. Keep the narrower line, and treat VDE without a standard number as unfinished.
Bosch Professional Bosch SL3x65 phase tester

Testsieger

Bosch Professional Bosch SL3x65 phase tester
8.6/10about £5.99
View offer

Slotted tip, two lengths, and a neon you can see

UK terminals and rose screws are slotted. The pairs quote about 140 mm and about 190 mm. A Phillips-only pen is a poor driver there. KAIWEETS is that cross-head, so the screen still will not seat in a slot. Cheap tips bend: the sheared ZenithQuest tip is one case, not a rate for every pair. Daylight is the other limit. Reviews call these neons dim outside a cupboard. Only the KAIWEETS pen adds an LCD and a beep, and it needs a cell. The listing says two AAA cells. Reviews describe one. A pendant still needs the light fittings page after you choose a type, because none of these prices buys a two-pole tester.

What a named standard does and does not say

Bosch is the only listing here that names DIN VDE 0680-6. The 2021 edition is a phase tester up to 250 V AC, not a dead test, and the scope note is not for rain. VDE on the PaulStore title is weaker than that number. Rolson's page says IEC 1010, which is not the same sentence and not HSE GS38. GS38 is guidance, not a sticker. It limits single-pole devices and non-contact detectors to identifying live equipment. Proving dead is a two-pole indicator to BS EN 61243-3, proved before and after on a proving unit. KAIWEETS claims EN 61010-1 and UKCA. The extract states no CAT rating, so do not invent one. If the job is to call a circuit dead, go to neon screwdriver versus a two-pole tester.

Common questions

Is a neon screwdriver the same as an electronic voltage tester pen?
No. A neon screwdriver in this set has no battery: your finger on the cap completes a path and a lamp may glow. The KAIWEETS pen is the electronic listing, with a contact claim of 3–500 V AC, an LCD, a beep, and a separate non-contact mode. It needs a cell, and the tip is Phillips. Do not copy a neon's 100–250 V line onto the pen, or the pen's screen onto a neon.
What voltage range covers a UK 230 V socket?
A printed 100–250 V or 120–250 V range covers nominal 230 V mains with room above the nominal figure. Bosch states 120–250 V AC. Several entry listings state 100–250 V. A bullet that stops at 220 V, which is how Eightwood is written, is tight for a 230 V supply. Read the range on that listing, not an average of the set.
Why do some listings say 12–220 V?
Cfanibo and ZenithQuest print 12–220 V. A 12 V figure on a neon is not a credible voltage for the lamp to strike, and this comparison does not treat it as 12 V DC for a car. The 220 V ceiling is also tight for UK 230 V mains.
Does VDE in the title mean the tool can prove a circuit dead?
No. PaulStore's title includes VDE and 100–500 V, while the bullets say 100–250 V. Bosch is the listing that names DIN VDE 0680-6, a phase-tester standard up to 250 V AC, and that standard is not a dead test. HSE GS38 keeps single-pole devices for identifying live equipment. Proving dead needs a two-pole indicator you have just proved.
Should the tip be slotted or Phillips?
Slotted, if you mean to turn a UK terminal or a ceiling-rose screw. The pairs quote about 140 mm and about 190 mm. The KAIWEETS pen is Phillips only, so it is a poor driver for those screws even when the screen is the reason you want it. A tip that shears, which one ZenithQuest review reports, leaves you with a blade that no longer fills the slot.

Related pages

How to use a voltage tester screwdriver

Voltage tester screwdriver

Best voltage tester screwdriver: pick, skip, price

Voltage tester for changing a light: UK ceiling rose

Neon screwdriver vs two-pole tester under HSE GS38

Sources

Public UK sources and the amazon.co.uk listings in this comparison. Listings captured 15 October 2026. Page updated October 2026.

  1. HSE GS38: Electrical test equipment for use on low voltage electrical systems (retrieved 15 October 2026)
  2. Electricity at Work Regulations 1989, regulation 12 (retrieved 15 October 2026)
  3. Electricity at Work Regulations 1989, regulation 16 (retrieved 15 October 2026)
  4. HSE HSR25: Memorandum of guidance on the Electricity at Work Regulations 1989 (retrieved 15 October 2026)
  5. NICEIC: Safe isolation procedure in 10 easy steps (retrieved 15 October 2026)
  6. DIN VDE 0680-6:2021-08 phase tester (retrieved 15 October 2026)
  7. DIY FAQ: Neon screwdriver (retrieved 15 October 2026)
  8. Neon tester training note (retrieved 15 October 2026)
  9. amazon.co.uk listings captured 15 October 2026 (retrieved 15 October 2026)