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Automatic wire stripper for twin and earth

Updated: October 2026

You have a length of flat grey UK cable, a dead circuit, and a back box that does not leave much room beside the conductors. Twin and earth is not one round wire. An automatic wire stripper for twin and earth has to take the sheath off first, then the brown and blue cores, and it still has to leave the bare earth fit to sleeve. This page is that job only. It uses the pliers in the [automatic wire stripper comparison](/hub/electrical-equipment/automatic-wire-stripper). A qualifying amazon.co.uk purchase can earn a commission at no extra cost to you. The general stop, pressure, and nick check is the how-to page. Which jaw to have chosen, before the brand, is the buying guide.

You have a length of flat grey UK cable, a dead circuit, and a back box that does not leave much room beside the conductors. Twin and earth is not one round wire.

Our top picks

STANLEY FATMAX Stanley FATMAX FMHT0-96230

Best overall

STANLEY FATMAX Stanley FATMAX FMHT0-96230
8.7/10about £21.61
View offer
C.K C.K 495001

Rank 2

C.K C.K 495001
7.7/10about £21.49
View offer
VCELINK VCELINK GJ702

Best value

VCELINK VCELINK GJ702
8.6/10about £8.99
View offer
On this page
  1. 1.Two strips, not one
  2. 2.How much to remove
  3. 3.Side entry and the back box
  4. 4.What this does not include

Two strips, not one

Modern twin and earth has a grey PVC sheath, a brown live, a blue neutral, and a bare circuit protective conductor. One squeeze of a self-adjusting pliers does not finish it. UK reviewers of side-entry automatics describe the useful sequence as the outer sheath, then the inner cores. Once the jacket is back, strip the brown and the blue as ordinary cores, one at a time. At the termination you sleeve the bare protective conductor green-and-yellow. Leave the end of the grey sheath visible inside the box.

How much to remove

Published sheath lengths disagree because the boxes disagree. Use the box in the wall. On the brown and blue, Sandwich Electrical and BuildWiz use about 8–10 mm and point you at the moulded gauge. That gauge wins. The automatic jaw is for the cores once the jacket is back, and for the jacket only when it can bite the flat sheath.
STANLEY FATMAX Stanley FATMAX FMHT0-96230

Testsieger

STANLEY FATMAX Stanley FATMAX FMHT0-96230
8.7/10about £21.61
View offer

Side entry and the back box

Side entry needs room beside the cable. The C.K 495001 is that example: side insertion, a cutter, and crimping jaws, with no mm² range stated. At £21.49 with 4.6 from 1,895 reviews, UK reviews say the outer sheath comes off in one squeeze on the bench, and that you must angle the cable or the jaw slips. An eagle nose reaches further. The VCELINK GJ702 is £8.99 with 4.5 from 2,238 reviews, solid 0.2–3.3 mm² and stranded 0.2–5.5 mm², and no crimp claimed. A review says it struggles with 1.5 and 2.5 mm² twin and earth. The solid range includes 2.5 mm², so this page reports the struggle and does not rewrite the specification. The Stanley FATMAX jaw entry is not named, so do not assume side entry or an eagle nose. Which pliers is the top pick is on the best automatic wire stripper page.

What this does not include

Dedicated flat-cable strippers sit outside this comparison. The C.K T1260, also sold under Jokari branding, is described by the maker and by trade sellers for PVC twin and earth about 0.75–2.5 mm² and up to 12 mm wide, with replaceable blades, and with a warning never to use it on a live circuit. Ideal's 45-235 is the same kind of flat stripper. None of those ASINs are in this table. Armoured cable, and any conductor you cannot prove dead, are not a DIY strip with these pliers. In England, Part P makes a new circuit, a consumer-unit replacement, and work in a bath or shower room notifiable. Burning insulation to get at the copper is illegal waste burning.

Common questions

Can one squeeze strip twin and earth?
No. The grey sheath comes off first, then the brown and blue cores, as two kinds of strip. The bare protective conductor is sleeved green-and-yellow at the termination. Reviewers of side-entry tools describe that order, and they also say the inner insulation will not strip right up against the sheath. One squeeze is for a single core that is already free.
How much grey sheath do I take off?
It depends on the box. One UK termination guide suggests about 50–60 mm for a 25 mm single-gang box, and more for a deeper box or a ceiling rose. Another domestic guide often allows about 75–100 mm. Leave the end of the sheath visible inside the box. Do not pick one of those numbers and ignore the accessory in front of you.
How much insulation comes off the brown and blue cores?
About 8–10 mm is the figure both of those UK guides use for many socket and switch terminals, and both point you at the moulded gauge on the accessory. Bare copper must not sit outside the terminal. If your gauge marks a different length, follow the gauge. Cut off a nicked end and strip again rather than terminating it.
What happens to the bare earth?
It is unsleeved inside the cable. You slide green-and-yellow sleeving over it before you terminate, so bare copper is not left showing at the accessory. This page does not state a cross-section for that conductor. Use the size in the cable you are fitting, and sleeve whatever is there.
Will a side-entry stripper work inside a back box?
Often not, once the cable is hard against the back. The C.K 495001 needs room beside the cable, which you have on a bench. Electricians discussing this pattern say it cannot get side-on far enough in a one-gang or deep box. Strip the tails where you still have that room, then offer the cores to the terminals.
Is the VCELINK eagle nose the twin-and-earth tool?
It is the nose in this set that the listing aims at back boxes. The stated solid range includes 2.5 mm², and a review says 1.5 and 2.5 mm² twin and earth is a struggle. It has no crimp. A wide flat sheath can still suit a side-entry jaw on the bench better than a narrow nose. It is not a dedicated flat-cable stripper.
Is 2.5 mm² inside a 10–24 AWG title?
Check the mm² line. In this comparison's notes, 10 AWG is about 5.3 mm², so 2.5 mm² is finer than 10 AWG. Where a listing also prints 0–6 mm² or 0.2–5.27 mm², use that line. The C.K 495001 prints neither.

Related pages

How to use an automatic wire stripper

Automatic wire stripper buying guide

Automatic wire stripper

Best automatic wire stripper UK: top pick and value

Automatic wire stripper vs stripping machine: scrap

Sources

Public UK sources from the research digest. Shelf prices and star lines are the amazon.co.uk figures captured on 19 October 2026.

  1. HSE HSR25, Electricity at Work Regulations 1989 guidance (retrieved 19 October 2026)
  2. Professional Electrician, insulated hand tools (retrieved 19 October 2026)
  3. Maun Industries, VDE and insulated tools (retrieved 19 October 2026)
  4. Clean Air Act 1993, section 33 (retrieved 19 October 2026)
  5. Environment Agency, illegally burning waste (retrieved 19 October 2026)
  6. IET Part P FAQ (retrieved 19 October 2026)
  7. GOV.UK, when building regulations approval is not needed (retrieved 19 October 2026)
  8. H&S Metals, stripping copper wire for scrap (retrieved 19 October 2026)