Luminaires with 2 switches.

Discussion in 'Hardware & DIY' started by Voo, 29 Jun 2008.

  1. Voo

    Voo Member

    Messages:
    185
    Location:
    Lincs
    Has anyone modified a luminaire that has 2 switches, so that one switch at least can be controlled by a timer?

    Ie 1 timer would control the power supply and 1 set of lights.
    2nd timer would control the switch and 2nd set of lights.

    I guess it could be a bit risky poking around with electrics, but i dont see why it couldnt be done using a relay or something?
     
  2. Matt Holbrook-Bull

    Matt Holbrook-Bull Founder

    Messages:
    963
    Location:
    Dorset, UK
    You could use a stand alone timer switch that you could mount on the unit somewhere of course, such as a heating system timer or something that simply switches a neg and pos contact.

    Or you could separate both switches into 2 wiring looms, then install a mains cable for each. Alot of units already do this such as the Arcadia luminaire. Presumably for that very reason.

    but Id not mess with it unless youre 100% confident with wiring, and can be 100% certain that you understand how the original loom works.
     
  3. Voo

    Voo Member

    Messages:
    185
    Location:
    Lincs
    thanks for the idea, i didn't think about a heater timer. will have a look into that.

    if i took the light apart i could work out where the switch was in the original loom, however my guess is there's only 1 ballast, or would there be 2, 1 for each set of lights?

    If there's 2, wiring in another mains lead shouldnt be too bad.
     
  4. LondonDragon

    LondonDragon Administrator Staff Member

    Messages:
    10,281
    Location:
    London
    There are usually two ballasts, 1 per pair of tubes, so it would be complicated, I looked at doing that with mine and gave up in the end.
     
  5. Voo

    Voo Member

    Messages:
    185
    Location:
    Lincs
    Thanks for that guys.

    Screwdrivers came out when i got home :D The mains wire goes straight to the switches, so looks like it'll be simple to add a second mains wire. Only trouble will be deciding where to place them.
     
  6. LondonDragon

    LondonDragon Administrator Staff Member

    Messages:
    10,281
    Location:
    London
    Carefull with electrics ;)
     
  7. R1ch13

    R1ch13 Member

    Messages:
    73
    Location:
    Glasgow, Scotland
    This is a pretty old thread so i hope i get a reply...

    Now that ive read this im a tad baffled.

    Im thinking of buying this luminaire from ebay http://cgi.ebay.co.uk/3x54W-T5-Ligh...photoQQcmdZViewItemQQ_trksidZp1742.m153.l1262

    So what would happen if i plugged this things power supply into a timer, would all the lights come on, or not haha :bored:

    Im totally confused now, i thought if the switches wer both turned on all the lights would, i may have missed something it would be great if someone can clear this up for me :)

    Thanks alot

    Richie
     
  8. zig

    zig Member

    Messages:
    686
    Location:
    Dublin Ireland
    They would come on if both switches are in the "on" position. You can have 1, 2 or all 3 tubes on (or off!) at the same time by simply switching the on/off switches before you stick it on the timer. You cant have, say, one tube on and then expect the other two to come on later unless you do it manually, that's what the original question was about, how to change the electrics to allow another timer to be used.
     
  9. R1ch13

    R1ch13 Member

    Messages:
    73
    Location:
    Glasgow, Scotland
    Yeah thats what i thought...

    Just double checked anyways

    Thanks Zig
     

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