Combined extractor fan and light switch connection problem.

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Dom987
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Combined extractor fan and light switch connection problem.

Post by Dom987 » Wed Sep 11, 2019 3:36 pm

Hi guys,

I have come across a single light switch for my bathroom which connects to the bathroom light and the extractor fan. The light switch has 5 live wires going into just two terminals. There are 3 brown going into the L1 terminal and 2 wires (one brown and the other black with a brown sleeve) going into the common terminal. I want to separate the light and fan into a double switch, can this be done with just the wires in the current switch. There are 4 cables feeding into the light box and a terminal block with 4 neutral and 4 earth wires connected to it.

Thanks in advance...
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wine~o
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Combined extractor fan and light switch connection problem.

Post by wine~o » Wed Sep 11, 2019 3:48 pm

:welcomeuhm: almost certainly yes...

lecky off then disconnect and isolate the 2 wires that are currently in com. (by isolate I mean put them in a piece of connector block not connected to each other) restore
electric. If I'm reading your post correctly then neither the fan nor the light should work.

Report back.
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Dom987
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Combined extractor fan and light switch connection problem.

Post by Dom987 » Wed Sep 11, 2019 5:48 pm

Hi Wine~o

Thanks for the reply but I want to change the single light switch to a double so I can operate the fan and the light separately.

Cheers.
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wine~o
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Combined extractor fan and light switch connection problem.

Post by wine~o » Wed Sep 11, 2019 6:45 pm

Dom987 wrote:
Wed Sep 11, 2019 5:48 pm
Hi Wine~o

Thanks for the reply but I want to change the single light switch to a double so I can operate the fan and the light separately.

Cheers.
I know . I was trying to establish which were the switched lives for A) the fan and B)the lights. reread my post.
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Dom987
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Combined extractor fan and light switch connection problem.

Post by Dom987 » Wed Sep 11, 2019 6:53 pm

Ah, I see. My bad.

I will do it tomorrow morning and get back to you.

Thanks.
Dom987
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Combined extractor fan and light switch connection problem.

Post by Dom987 » Thu Sep 12, 2019 10:32 am

Hi Wine~o

I have sorted it out with a little trial and error and by joining the two common terminals.

Thanks for your help.
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