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  1. H

    Use RCD as on/off switch

    No, it's single phase. Thanks for that link - an NVR switch is clearly exactly what I need!!
  2. H

    Use RCD as on/off switch

    Thanks for the advice, I'll probably go with a regular switched outlet as the direct online starter is probably overkill for the occasional use this will be put to. Thanks
  3. H

    Use RCD as on/off switch

    Is it permissible to use the reset + test buttons of an RCD plug adapter as on/off buttons for a 10A load? I have a 2000W power saw which I want to switch on and off at the socket under load, ie. the tool's own switch will be permanently on. (The details are un-important.) I have an extension...
  4. H

    Common live wire for three circuits

    Exactly! A picture speaks a thousand words. Many thanks fort taking the time!
  5. H

    Common live wire for three circuits

    See the first diagram I posted above. There is no neutral going to the switch - only PL and SL (cable C). Neutral runs from cable A to B (the loop), and also D to the lamp. The whole junction box is effectively duplicated, for the two existing lights - so two x Cable C. I will be adding a...
  6. H

    Common live wire for three circuits

    Yes, but the 3 core runs right past the junction box on its way to switch 2, so I can easily break it and re-purpose the run of 3 core that goes to switch 1. But don't get too hung up on my original description - the basic principle I was querying is better described by my follow-up, simpler...
  7. H

    Common live wire for three circuits

    Yes that's correct - in my original scenario. In my follow-up, I gave a simpler version of the same principle, where everything is one way. So two cables, both twin core, each currently live and switched live. Convert to: 1 core = live, common to all three lights. 3 remaining cores = 3...
  8. H

    Common live wire for three circuits

    All neutral connections go via a junction box. Does my follow up question (simplified scenario) explain it better? Thank you for you time!
  9. H

    Common live wire for three circuits

    One last thought. Is what I'm doing relatively common? I've thought of a simpler scenario that doesn't have the added complexity of the two-way switch. Suppose I have a pair of 2C&E cables currently running to a two gang switch, powering two lamps (one way). No neutral involved in the...
  10. H

    Common live wire for three circuits

    Many thanks for the replies, and apologies for my confusing use of the term 'circuit' - rest assured it is all a single MCB circuit, just three lamp loads. (No borrowed neutral!!!) I think Lucien has reassured me that it's fine, since the cables are taking the same route. And yes, the two-way...
  11. H

    Common live wire for three circuits

    The junction box is essentially the same as the following, with cable C being one of the existing cables to the switch (for the single-way light circuit): The second cable for the existing two-way circuit is essentially the same as cable D in this diagram, going to the lower of the two...
  12. two-way-switching-wiring-diagram-old-colours.jpg

    two-way-switching-wiring-diagram-old-colours.jpg

    • hillwalker01
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  13. loop-in-junction-box-wiring-diagram.jpg

    loop-in-junction-box-wiring-diagram.jpg

    • hillwalker01
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  14. H

    Common live wire for three circuits

    The neutral connections are all in the junction box - there is no neutral in the existing switch wiring, only live and switched live (and common for the two-way circuit). And earth of course.
  15. H

    Common live wire for three circuits

    Hi, Hoping someone can help me with a lighting circuit challenge. I have an existing two gang switch, with one 2C&E cable for a simple circuit and one 3C&E for a two-way circuit (using conventional 3 control wiring). It's an older property but pretty conventional loop-in loop-out radial...

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