Thread: Advice on wiring 2 gang 1 way switch


Forum: General Chat

Hi, I need to wire in a 2 gang 1 way light switch and have a mental block on what I need to do. On the back of the switch it has the following: L1 L2 a wavy line with an arrow thro

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  1. #1
    Rigga
    Guest

    Advice on wiring 2 gang 1 way switch

    Hi,

    I need to wire in a 2 gang 1 way light switch and have a mental block on
    what I need to do. On the back of the switch it has the following:

    L1
    L2
    a wavy line with an arrow through it (whats this?)

    I thought that I would just need to have my live feed in to L1 and the
    switch live comming from L2, but seeing the wavy line with arrow through it
    has confused me!, is this the common? do i not need to use it as I am not
    doing 2 way switching?

    Any help appreciated.

    Thanks

    Reg



  2. #2
    Nick Lockett
    Guest

    Re: Advice on wiring 2 gang 1 way switch

    "Rigga" <rigga@hasnomail.com> wrote in message
    news:3VTJc.873906$ef4.106523@news.easynews.com...
    > Hi,
    >
    > I need to wire in a 2 gang 1 way light switch and have a mental block on
    > what I need to do. On the back of the switch it has the following:
    >
    > L1
    > L2
    > a wavy line with an arrow through it (whats this?)
    >
    > I thought that I would just need to have my live feed in to L1 and the
    > switch live comming from L2, but seeing the wavy line with arrow through

    it
    > has confused me!, is this the common? do i not need to use it as I am not
    > doing 2 way switching?
    >
    > Any help appreciated.
    >
    > Thanks
    >
    > Reg


    It sounds to me as if your switch is a single pole double throw. The common
    (wavy line with arrow) is connected to L1 in one position and L2 in the
    other. Use the common for the live feed and either L1 or L2 as the switched
    live. There is often some indication whether to use L1 or L2 so the switch
    conforms to the usual UK convention of up for Off and down for On. If in
    doubt, check it out with a continuity tester.
    Nick.



  3. #3
    Rigga
    Guest

    Re: Advice on wiring 2 gang 1 way switch

    Nick Lockett wrote:

    > "Rigga" <rigga@hasnomail.com> wrote in message
    > news:3VTJc.873906$ef4.106523@news.easynews.com...
    >> Hi,
    >>
    >> I need to wire in a 2 gang 1 way light switch and have a mental block on
    >> what I need to do. On the back of the switch it has the following:
    >>
    >> L1
    >> L2
    >> a wavy line with an arrow through it (whats this?)
    >>
    >> I thought that I would just need to have my live feed in to L1 and the
    >> switch live comming from L2, but seeing the wavy line with arrow through

    > it
    >> has confused me!, is this the common? do i not need to use it as I am not
    >> doing 2 way switching?
    >>
    >> Any help appreciated.
    >>
    >> Thanks
    >>
    >> Reg

    >
    > It sounds to me as if your switch is a single pole double throw. The
    > common (wavy line with arrow) is connected to L1 in one position and L2 in
    > the other. Use the common for the live feed and either L1 or L2 as the
    > switched live. There is often some indication whether to use L1 or L2 so
    > the switch conforms to the usual UK convention of up for Off and down for
    > On. If in doubt, check it out with a continuity tester.
    > Nick.

    Thanks for clearing that up for me, its a dimmer switch so I guess trial and
    error will prevail for wheter I use L1 or L2.


  4. #4
    Nick Lockett
    Guest

    Re: Advice on wiring 2 gang 1 way switch


    "Rigga" <rigga@hasnomail.com> wrote in message
    news:bSXJc.886965$ef4.107365@news.easynews.com...
    > Nick Lockett wrote:
    >
    > > "Rigga" <rigga@hasnomail.com> wrote in message
    > > news:3VTJc.873906$ef4.106523@news.easynews.com...
    > >> Hi,
    > >>
    > >> I need to wire in a 2 gang 1 way light switch and have a mental block

    on
    > >> what I need to do. On the back of the switch it has the following:
    > >>
    > >> L1
    > >> L2
    > >> a wavy line with an arrow through it (whats this?)
    > >>
    > >> I thought that I would just need to have my live feed in to L1 and the
    > >> switch live comming from L2, but seeing the wavy line with arrow

    through
    > > it
    > >> has confused me!, is this the common? do i not need to use it as I am

    not
    > >> doing 2 way switching?
    > >>
    > >> Any help appreciated.
    > >>
    > >> Thanks
    > >>
    > >> Reg

    > >
    > > It sounds to me as if your switch is a single pole double throw. The
    > > common (wavy line with arrow) is connected to L1 in one position and L2

    in
    > > the other. Use the common for the live feed and either L1 or L2 as the
    > > switched live. There is often some indication whether to use L1 or L2 so
    > > the switch conforms to the usual UK convention of up for Off and down

    for
    > > On. If in doubt, check it out with a continuity tester.
    > > Nick.

    > Thanks for clearing that up for me, its a dimmer switch so I guess trial

    and
    > error will prevail for wheter I use L1 or L2.
    >

    Your original post didn't say that it was a dimmer switch. The information
    I've given you is therefore wrong and following it may well damage the
    switch. I suggest you get some advice from a shop that sells similar
    switches if nobody else in this group has the answer.
    Nick.



  5. #5
    Martin
    Guest

    Re: Advice on wiring 2 gang 1 way switch


    "Nick Lockett" <n.lockett2@nigriv.backwards.net> wrote in message
    news:40f8ce93$0$6440$cc9e4d1f@news-text.dial.pipex.com...
    >
    > "Rigga" <rigga@hasnomail.com> wrote in message
    > news:bSXJc.886965$ef4.107365@news.easynews.com...
    > > Nick Lockett wrote:
    > >
    > > > "Rigga" <rigga@hasnomail.com> wrote in message
    > > > news:3VTJc.873906$ef4.106523@news.easynews.com...
    > > >> Hi,
    > > >>
    > > >> I need to wire in a 2 gang 1 way light switch and have a mental block

    > on
    > > >> what I need to do. On the back of the switch it has the following:
    > > >>
    > > >> L1
    > > >> L2
    > > >> a wavy line with an arrow through it (whats this?)
    > > >>
    > > >> I thought that I would just need to have my live feed in to L1 and

    the
    > > >> switch live comming from L2, but seeing the wavy line with arrow

    > through
    > > > it
    > > >> has confused me!, is this the common? do i not need to use it as I am

    > not
    > > >> doing 2 way switching?
    > > >>
    > > >> Any help appreciated.
    > > >>
    > > >> Thanks
    > > >>
    > > >> Reg
    > > >
    > > > It sounds to me as if your switch is a single pole double throw. The
    > > > common (wavy line with arrow) is connected to L1 in one position and

    L2
    > in
    > > > the other. Use the common for the live feed and either L1 or L2 as the
    > > > switched live. There is often some indication whether to use L1 or L2

    so
    > > > the switch conforms to the usual UK convention of up for Off and down

    > for
    > > > On. If in doubt, check it out with a continuity tester.
    > > > Nick.

    > > Thanks for clearing that up for me, its a dimmer switch so I guess trial

    > and
    > > error will prevail for wheter I use L1 or L2.
    > >

    > Your original post didn't say that it was a dimmer switch. The information
    > I've given you is therefore wrong and following it may well damage the
    > switch. I suggest you get some advice from a shop that sells similar
    > switches if nobody else in this group has the answer.
    > Nick.
    >


    If it's a "twist to fade", and "press for on/off" type switch, then....

    Connect one wire to the Common and the other to L1.

    It won't dim the "wrong" way, because L1 and L2 are effectively providing a
    2-way facility independent of, but in the same box as, the dimmer. So if
    you wanted to, you could have a second switch (not another dimmer, though)
    to switch light on and off, but brightness will still be controlled by your
    dimmer.

    If you're not using a 2nd switch, then it doesn't matter which wire goes to
    Common and which to L1.

    Obviously, remember to isolate mains supply before doing anything, and make
    sure you don't overload the dimmer switch (check wattage marked on switch,
    and compare with total wattage of the lights it controls)

    HTH

    --
    Martin

    [remove barrier to reply]




  6. #6
    Rigga
    Guest

    Re: Advice on wiring 2 gang 1 way switch

    Martin wrote:

    >
    > "Nick Lockett" <n.lockett2@nigriv.backwards.net> wrote in message
    > news:40f8ce93$0$6440$cc9e4d1f@news-text.dial.pipex.com...
    >>
    >> "Rigga" <rigga@hasnomail.com> wrote in message
    >> news:bSXJc.886965$ef4.107365@news.easynews.com...
    >> > Nick Lockett wrote:
    >> >
    >> > > "Rigga" <rigga@hasnomail.com> wrote in message
    >> > > news:3VTJc.873906$ef4.106523@news.easynews.com...
    >> > >> Hi,
    >> > >>
    >> > >> I need to wire in a 2 gang 1 way light switch and have a mental
    >> > >> block

    >> on
    >> > >> what I need to do. On the back of the switch it has the following:
    >> > >>
    >> > >> L1
    >> > >> L2
    >> > >> a wavy line with an arrow through it (whats this?)
    >> > >>
    >> > >> I thought that I would just need to have my live feed in to L1 and

    > the
    >> > >> switch live comming from L2, but seeing the wavy line with arrow

    >> through
    >> > > it
    >> > >> has confused me!, is this the common? do i not need to use it as I
    >> > >> am

    >> not
    >> > >> doing 2 way switching?
    >> > >>
    >> > >> Any help appreciated.
    >> > >>
    >> > >> Thanks
    >> > >>
    >> > >> Reg
    >> > >
    >> > > It sounds to me as if your switch is a single pole double throw. The
    >> > > common (wavy line with arrow) is connected to L1 in one position and

    > L2
    >> in
    >> > > the other. Use the common for the live feed and either L1 or L2 as
    >> > > the switched live. There is often some indication whether to use L1
    >> > > or L2

    > so
    >> > > the switch conforms to the usual UK convention of up for Off and down

    >> for
    >> > > On. If in doubt, check it out with a continuity tester.
    >> > > Nick.
    >> > Thanks for clearing that up for me, its a dimmer switch so I guess
    >> > trial

    >> and
    >> > error will prevail for wheter I use L1 or L2.
    >> >

    >> Your original post didn't say that it was a dimmer switch. The
    >> information I've given you is therefore wrong and following it may well
    >> damage the switch. I suggest you get some advice from a shop that sells
    >> similar switches if nobody else in this group has the answer.
    >> Nick.
    >>

    >
    > If it's a "twist to fade", and "press for on/off" type switch, then....
    >
    > Connect one wire to the Common and the other to L1.
    >
    > It won't dim the "wrong" way, because L1 and L2 are effectively providing
    > a
    > 2-way facility independent of, but in the same box as, the dimmer. So if
    > you wanted to, you could have a second switch (not another dimmer, though)
    > to switch light on and off, but brightness will still be controlled by
    > your dimmer.
    >
    > If you're not using a 2nd switch, then it doesn't matter which wire goes
    > to Common and which to L1.
    >
    > Obviously, remember to isolate mains supply before doing anything, and
    > make sure you don't overload the dimmer switch (check wattage marked on
    > switch, and compare with total wattage of the lights it controls)
    >
    > HTH
    >
    > --
    > Martin
    >
    > [remove barrier to reply]

    Thank you, your correct its a twist to fade and press for on / off. Light
    is now fitted and working and I am still alive!

  7. #7
    Martin
    Guest

    Re: Advice on wiring 2 gang 1 way switch


    "Rigga" <rigga@hasnomail.com> wrote in message
    news:TjdKc.19971318$Of.3314655@news.easynews.com.. .

    > Thank you, your correct its a twist to fade and press for on / off. Light
    > is now fitted and working and I am still alive!


    Great - on both counts :-)


    --
    Martin

    [remove barrier to reply]






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