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Wago’s / conductor preparation

Baldyhugh
Hi


I find myself using the lever 221 wago’s more and more now mainly for lighting circuits but have a question regarding conductor preparation prior to insertion in the wago once the required amount of insulation is stripped off. A solid conductor seems to just go straight in but do you twist a stranded cable and a flexible cable or put them in untwisted? I can’t find any guidance on the box or on the wago website. What do other users of these great little inventions do with them?


Thanks


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  • 0
    Baldyhugh:

    would you twist the stranded aswell? I remember a while back the debate about meter tails in a cage clamp terminal of a consumer unit main switch for example. The consensus was to keep the strands straight for a better termination. I think that the smaller conductors, say 1.5mm suffer less from strands rearranging than the larger but would be interested to hear other opinions


    No, only fine stranded. So 1.5 mm² (and upwards) singles go straight in. I have a lovely Facom stripper (and don't understand how it doesn't damage the strands), but if using a penknife, I would twist the sheath as I pull it off. I don't think that it matters whether we are talking about Wagos, choc-blocks, plug, or any other type of terminal, fine stranded gets a lazy twist.


    As for stranded, they are made with a twist in any event.


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  • 0
    Baldyhugh:

    would you twist the stranded aswell? I remember a while back the debate about meter tails in a cage clamp terminal of a consumer unit main switch for example. The consensus was to keep the strands straight for a better termination. I think that the smaller conductors, say 1.5mm suffer less from strands rearranging than the larger but would be interested to hear other opinions


    No, only fine stranded. So 1.5 mm² (and upwards) singles go straight in. I have a lovely Facom stripper (and don't understand how it doesn't damage the strands), but if using a penknife, I would twist the sheath as I pull it off. I don't think that it matters whether we are talking about Wagos, choc-blocks, plug, or any other type of terminal, fine stranded gets a lazy twist.


    As for stranded, they are made with a twist in any event.


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