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Putting a switch on festoon lights

Discussion in 'Electrics UK' started by angelboy, 4 May 2020.

  1. angelboy

    angelboy

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    I have a set of festoon garden lights that come with a standard 3 pin plug. These lights have no earth, just the live and neutral.

    I bought a plastic exterior light switch with the intention of splitting the 2 core cable and putting the switch in-line but I'm confused about which wire goes where.

    IMG_1446.JPG

    The RCD protected outdoor socket the lights are plugged into has been installed by an electrician.

    I've wired mobile lights before with an in-line switch and assumed these would be the same but they're not.
     
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  3. EFLImpudence

    EFLImpudence

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    Have you moved the black wires?
     
  4. EFLImpudence

    EFLImpudence

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    Are they for an indicator light ?
     
  5. Sureitsoff?

    Sureitsoff?

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    looks like it
     
  6. angelboy

    angelboy

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    No - that's as it was. It's for an indicator light which can be wired up 3 ways - on when the switch it on, always on, on when switch is off.
     
  7. EFLImpudence

    EFLImpudence

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    Which way would you like it?
     
  8. angelboy

    angelboy

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    On when there's power to the switch I think would be best.
     
  9. EFLImpudence

    EFLImpudence

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    Ok.

    upload_2020-5-4_16-18-16.png
     
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  11. angelboy

    angelboy

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  12. EFLImpudence

    EFLImpudence

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    Just out of interest, I can think of no reason that the wire I have marked REMOVE would ever be needed.

    Does anyone have any idea?

    upload_2020-5-4_16-37-8.png

    Everything else the same
    Connect wire A to:
    Terminal 1 - for indicator always on (when switch supply is on)
    Terminal 2 - for indicator on when light on
    Terminal 3 - for indicator on when light off (when switch supply is on)
     
  13. flameport

    flameport

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    L and SL at the switch with no neutral, with the wires connected as supplied the indicator would work with the light off assuming it had an incandescent lamp installed.
     
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  14. EFLImpudence

    EFLImpudence

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    Would it?
     
  15. EFLImpudence

    EFLImpudence

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    Yes. Of course.
     
  16. angelboy

    angelboy

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  17. EFLImpudence

    EFLImpudence

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