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Wago connectors with too many wires

Branta

The electrician who wired my (new) home takes the live feed to a light switch in each room (rather than to the rose).  Thus each room has a light switch back box with four neutrals commoned in a WAGO 2273 connector (feed in, feed onward, wiring to luminaire, wiring to spots).  I'm guessing the spots were a surprise to him as he seems only to have had a stock of 3-way WAGO connectors.  He's consistently managed to wedge four 1mmsq wires into a 3-way WAGO 2273.

I know this is wrong, the "extra" wire just can't be clamped like the WAGO design intended.  What is driving me nuts is that nowhere can I find it written down that it is wrong !

  • 0 in reply to Chris Pearson

    https://www.cef.co.uk/catalogue/products/891317-15a-ce-certified-strip-connector-sold-in-1-s?gclid=03aee587404b13788e3087d320284753&gclsrc=3p.ds&msclkid=03aee587404b13788e3087d320284753

    Z.

  • 0 in reply to Branta

    Wago's autoreply told me they expect to respond in 24 hours.  They haven't.  I wonder if this has opened a can of worms at Wago ?

    I really only wanted to give the builder ammunition to get the electrician back.  But then it's over a year since I told him that the central heating has live signals passing through both blue and green/yellow cores (not a brown sleeve to be seen) and nothing has been done.

    As to my 6 wires in a 3-way "222" (lever type), I now have an 8-way 2273 in my hand, and even with its double-decker layout it is slimmer than the 222, so the ideal solution will be really easy.

  • 0

    I am trying ti remember where but I am sure I have seen specific information from wago stating one conductor per terminal.

    Personally I think there is a difference between a single 6 or 7 core cable and multiple single core cables. If the wago only makes good contact with 2 or 3 cores of a multicore cable it's probably fine as those cores will be in good contact with the other cores along it's length. It's actually unlikely that it will make direct contact with the center core at all.

    With multiple single cables the connector is unlikely to make good contact with all of the cables which could give a higher resistance and probably more importantly the cables not making good contact will be easy to pull out. I would expect that event with only two cables in one terminal if one of those cables is bent slightly it will reduce contact reliability with the other cable. 

  • 0

    There are millions of installations in the UK where these connectors are virtually useless, because older imperial sized cables have stranded conductors, whereas the newer metric equivalents have solid conductors, so they cannot be used on socket and appliance circuits.

    flameport.com/.../cables_twin_earth_pvc.cs4

  • 0 in reply to Sparkingchip

    What is the correct wire removal technique?

    https://www.youtube.com/watch?v=Zgn3qWnyFZg

    or,

    https://www.youtube.com/watch?v=Zgn3qWnyFZg

    It seems to damage the conductor though.

    Z.

  • 0 in reply to Sparkingchip
    Sparkingchip said:

    There are millions of installations in the UK where these connectors are virtually useless, because older imperial sized cables have stranded conductors, whereas the newer metric equivalents have solid conductors, so they cannot be used on socket and appliance circuits.

    flameport.com/.../cables_twin_earth_pvc.cs4

    Use another product in the range suitable for rigid (solid class 1 and stranded class 2) conductors, such as 773's.

    Alternatively, most of the lever types are suitable for all stranding classes 1, 2, 5 and 6 to BS EN 60228.

  • 0

    Caveat emptor. Buyer beware.

  • 0 in reply to Sparkingchip

    Well, it's about 58 years ago but I do have Latin "O" level !

    But I really wanted to know if my house wiring is safe :-/

    Wago are still silent after nearly 3 days (embarrassed ?).

  • 0

    Reminds me of  a spat I had with a 2391 tutor a few years back he oft quoted "Not as the manufacturer intended!" , I of course countered with new ideas and inventions, and existing products used in different ways not specifically precluded as such. 

    Eeh, I can be an awkward beggar sometimes

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