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Numerous Lights from one switch

Former Community Member
Former Community Member
Hi All I was wondering if using the attached diagram would this be a good design for switching on numerous number of lights in one switch. I assume it is in some form of daisy chain. Its the one that I have rung?.Jimmy

Required Lighting Circuit for one switch operation to light 12 lights at once.pdf
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    Yes, you could just extend that diagram with more lamps. In practical terms you wouldn't lay cables out anything like that physically - but take L,N & PE together to the first light, then extend them together to the 2nd then the 3rd and so on. Having L and N approaching from opposite ends as in the diagram would be awful from an EMI perspective and very inconvenient when using most common wiring methods (multi-core cables or singles in conduit).


    There's also the energy efficiency consideration from switching a large number of lights together - often being able to switch them in smaller groups means that only the lights actually needed will be on - if the group is too large then everything has to be on even if only a small area need illumination. Get too silly and you might actually fall foul of building regulations on that point!


       - Andy.
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  • 0
    Yes, you could just extend that diagram with more lamps. In practical terms you wouldn't lay cables out anything like that physically - but take L,N & PE together to the first light, then extend them together to the 2nd then the 3rd and so on. Having L and N approaching from opposite ends as in the diagram would be awful from an EMI perspective and very inconvenient when using most common wiring methods (multi-core cables or singles in conduit).


    There's also the energy efficiency consideration from switching a large number of lights together - often being able to switch them in smaller groups means that only the lights actually needed will be on - if the group is too large then everything has to be on even if only a small area need illumination. Get too silly and you might actually fall foul of building regulations on that point!


       - Andy.
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