Naim use MK double sockets for shows so must be good enough. 
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Isnāt this just one of a gazzilion shows picture that has been around since ~1995 which could be a distributor/retailer as well? Iām not so sure this is how it looks when Naim do shows in general 
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They are very poor. Out of the last batch I bought, half of them were unusable due to manufacturing defects.
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It was a Naim show and the biggest clue is itās sitting on a plethora of Powerlines on Naim Fraim bases.
Unless other companies have lots of these lying about.
Here is the un cropped pic
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Our unswitched Crabtree double socket must be well over 20 years old now. The were still UK made and of very high quality and were the go-to socket for dedicated mains at the time. Itās a shame when quality suffers but very often low price seems to mean far more than decent quality.
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I think most if the good old manufacturers are going the similar way Crabtree used to be great but are frowned on in the trade now.
Worst Iāve ever used is Volex not by my choice but a customer.
I see where ChrisSU is coming from, a number of years ago I replaced all the crappy 13A sockets around the house with MK Logic Plus. These were all UK made, some with the original copper palletress box earth links, some with the galvanized steel link bars. They have been 100% faultless. However I replaced some bedroom single outlets with doubles & these were Malasian made & although no faults, they left me less impressed.
The next MK Logic Plus iteration is the āRapid Fixā that utilises screwless cage clamp connections.
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Those are crap indeed and I donāt like the idea. 
I use this type with proper terminals.
MKK0781 13 Amp 2 Gang Double Unswitched Socket - White
Looks like theyāre using Wagoās (or a similar alternative) set into sockets now, I didnāt know that was happeningā¦.makes sense though.
Any Sparkie in the UK on a new build, renovation or alterations will be using Wago connectors where joints are requiredā¦I think all JBās now are Wago based internallyā¦ā¦
I was initially a bit unsure of Wago connectors when they first appeared years back re just how solid a connection they make, but when they have a proper grip, they are sound to the point of not letting go of a stripped end even with a good hard pullā¦.
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I had become aware of this from various comments on the forum.
Jesuitically - I did specify ārecent AND decentā - a Venn intersection of apparently zero population.
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I agree, for normal new build & etc ring mains.
I do see a problem with peeps on the forum with DIY projects using various sizes of flex cable & for dedicated A/V circuits with 6mm & 10mm T&E or other specialist cables.
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Yeah, thatās a fair pointā¦.
Though to be honest, if your skill set is that low youāre just as likely to muller a screw bind terminalā¦.! Iāve seen shocking (sorry!) examples on site/installs even from āSparkiesāā¦.
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I got 2 x mcru main extension blocks on sale from their eBay page. These ones didnāt have any filtering, just good wiring and connections. Working fine now and sounds fine. 
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@Mike-B
I havenāt come across those and I look in disbelief.
I hope you donāt have these.
Iāll be sure to add the proper MK part number in future for recommendations.
Thank you for bringing this to our attention.
The ones that I and I assume Naim use too.
MKK0781 13 Amp 2 Gang Double Unswitched Socket - White
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No I donāt have any.
They have been around for some time.
They do have advantages over simple screw type terminals, (one of your favourite peeves I believe) is the screw rotation cuts and distorts copper and can result in connection degradation. Hence why Furutech terms are screwed clamp designs.
The Wago type uses only pressure & actually has a greater contact area along a longer length of stripped cable.
Plus it is BS compliant ā¦
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Thanks for that.
If Iām using Multistrand into screw terminals I always use Ferrules to stop the splitting.
Iām a bit OCD Powerline termination in the ends could do with ferrules too
Oops there goes another free tip.
Marbos are so last century. You need a Bussmann.
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Youāre right thatās not my Powerline I just showed the rubbish termination.
Bussmann lives here but only 13A when used in the proper rating of cable.
Safety first. 
Yes they have an incredibly strong grip. Wasnāt sure about them before trying them, you have to pull and twist really hard to remove the wires. You canāt use multi stranded cable in them ā¦ so no āaudiophileā (
) wires, just single or 6 core.
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