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Best terminal block

Updated: October 2026

You want one name to buy, and a UK search for the best terminal block mostly returns trade catalogues and a WAGO lever, not a ranking of these twelve amazon.co.uk listings. There is no laboratory winner. Stars are review counts, from 3.9 to 4.8 where a line exists, and prices run from about £3.19 to about £11.99. The conditional top pick for a mixed screw pack is GTSE at about £7.99. The best value is the Blackspur BB-CT110 at about £3.60, only if you accept stripped screws and cracked housings. The full table is the [terminal block comparison](/hub/diy-supplies/terminal-block). Peter F. checked the listings on 16 October 2026. Links to amazon.co.uk are affiliate links.

You want one name to buy, and a UK search for the best terminal block mostly returns trade catalogues and a WAGO lever, not a ranking of these twelve amazon.co.uk listings. There is no laboratory winner.

Our top picks

On this page

What best can mean in this set

Trade catalogues list 3 A, 5 A, 15 A, 30 A and 60 A as separate lines. Those ranges are not the figures in these captures. A search for the best lever returns a WAGO 221, often quoted at 32 A and 450 V, not ZFYQ or flintronic. Copying that 32 A line onto either listing would be false. Best here means a listing that fits one job, with a reason to skip it. A 4.8 score can lose to a 4.6 score when the reviews describe a model railway and you are holding lighting flex. Funver, at about £4.99, has no review line, so it cannot be a pick. The terminal block buying guide is the decision order if you have not chosen a type yet.

A mixed 3 A and 15 A screw pack

GTSE’s package line is two 3 A strips and two 15 A strips, the current cell says 15 A only, and the voltage cell says 400 V. Across 1,304 reviews at 4.6, one UK text says the small screw heads were poorly formed. Skip it if you need one current only, or if the rose is too tight for a screwdriver. Blackspur BB-CT110 has the same 3 A plus 15 A bullet and 4.5 from 1,043 reviews. There is no voltage cell. UK texts praise the price, and they also say screws strip, housings crack, and some parcels arrived loose. Skip it if the joint has to hold what the 15 A bullet suggests. The about £3.19 XINXINGDINGSHENG pair is cheaper, and UK texts say the brass splits. It is not the value pick.

A barrier strip is a different job

HSEAMALL is about £11.99 for five 12-way sets with jumpers, 4.8 from 817 reviews, and a 15 A cell. The voltage cell prints both 400 V and 600 V. UK reviews are mostly model-railway bus bars. In the first 50 texts, complaints include missing covers, a brittle case that snapped, and one wrong-size strip. That is the barrier pick for a layout bus, if you check the covers. It is not the house pick. JZK at about £6.99 has only one UK review text, and one sentence that says very good is not a second test.

The lever packs are not the WAGO the search shows

ZFYQ is the lever when you need a printed range: 35 pieces at about £5.99, a 250 V cell, and no current cell. The bullet says solid and stranded 0.08–2.5 mm² and flexible 0.08–4 mm². Six UK texts mention ceiling lights and a ceiling fan, and they do not state a fault. flintronic is about £7.98 and 4.6 from 6,474 reviews. The title says 34 pieces and the unit count says 50. Conductor size disagrees, and a 32 A figure appears only in a review. UK texts say some levers snap and that a wire can pull out unless you tug it. The review count does not make flintronic the winner. The terminal block versus lever connector page sets that condition. Neither listing is the WAGO 221 the search describes.

Who should buy none of these

Buy none of them for a new circuit, a consumer unit, or a bath or shower zone. In England those jobs are notifiable. The terminal block for lighting page sets out that line, and it is not the law in Scotland, Wales or Northern Ireland. Also buy none if you cannot prove the circuit is dead, if the cable is scorched, or if the only reviewed 30 A cell is the pair whose brass splits. Buy none of them to bury. No capture prints an IP rating.

Common questions

Which terminal block in this set is the top pick, and for whom?
The conditional top pick is GTSE at about £7.99, 4.6 from 1,304 reviews, with two 3 A and two 15 A strips and a 400 V cell. It suits a household screw joint if you identify which strip you have cut. Skip it for a single current in the cell, or for a lever in a tight rose.
Which is the best value, and who should skip it?
The best value is the Blackspur BB-CT110 at about £3.60, 4.5 from 1,043 reviews, with two 3 A and two 15 A strips in the bullet. Skip it if the joint has to hold what the 15 A bullet suggests. UK reviews describe screws that strip and housings that crack, and some parcels arrived loose. The about £3.19 XINXINGDINGSHENG pair is cheaper and is not the value pick, because reviewers describe split brass.
Is the highest star rating the one to buy for house wiring?
No. HSEAMALL is 4.8 from 817 reviews, and those UK texts are mostly model-railway bus bars. A higher star line does not move a barrier strip onto a 230 V ring final. For a house screw pack, GTSE’s 4.6 from 1,304 reviews is the larger file on the lighting comments.
Which lever splice has a conductor size printed?
ZFYQ states solid and stranded 0.08–2.5 mm² and flexible 0.08–4 mm², with a 250 V cell and no current cell. flintronic prints three conflicting figures and has no current cell. A review mentions 32 A. The listing does not. Neither pack is a WAGO 221, and neither should inherit the 32 A and 450 V lines on WAGO’s own pages.
Should a model-railway barrier strip be the house pick?
No. HSEAMALL’s jumpers and 4.8 score fit a layout bus when you accept missing covers and a snapped case in the first 50 texts. They do not prove the strip for a ring final or a ceiling rose. Keep the barrier strip on the job its reviews describe.

Related pages

Sources

Public UK sources on electrical safety and household connecting devices. Listings checked 16 October 2026. Prices on amazon.co.uk move.

  1. Approved Document P (2013) (retrieved 16 October 2026)
  2. Building Regulations 2010, Schedule 1, Part P (retrieved 16 October 2026)
  3. Planning Portal, electrics and building regulations (retrieved 16 October 2026)
  4. HSE, electrical equipment (retrieved 16 October 2026)
  5. BS EN 60998-1, household connecting devices (retrieved 16 October 2026)
  6. BS EN 60998-2-1, screw-type clamping units (retrieved 16 October 2026)
  7. GOV.UK, UKCA and CE marking in Great Britain (retrieved 16 October 2026)
  8. IET, BS 7671 18th Edition (retrieved 16 October 2026)