2 way light switch
- Thread starter Kevlar80
- Start date
Deleted User 298457
Deleted User 298457
Which one tastes live?
Informative message would be nice
Associate
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I don't think we're meant to link outside of OCUK, but if you copy-paste into google the connectors part of your message then the result pops up 
edit for typos
edit for typos
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Could really do with some help guys
Bad idea asking a load of PC "geeks" (sorry gents but you know its true) for advice on mains electrics!! If you don't know or cant work it out by probing with a multimeter then I would leave that stuff well alone and get a sparkie!
I had this exact issue when fitting a PIR sensor in my bathroom last week. Managed to probe it out with a meter.
I had this exact issue when fitting a PIR sensor in my bathroom last week. Managed to probe it out with a meter.
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Can you post a picture of the two switches and if possible how the original wiring was (www.imgure.com and copy the link etc).
I think I can visualise how it might go, but I am not a sparky and last time I did two way switches was for our garage nearly 25 years ago, and the downstairs hall around 15 years back.
If in doubt with any mains electrics I would always tend to ask a sparky or leave it until I'd had a chance to check! (I've had to fix a few of my sisters friends attempts to fit lights and I hate sorting it out).
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Pick yourself a cheap multimeter and stick it on continuity and see how it operates and compare it with the old switch
Soldato
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Two way is a pain. Have to take photo of existing wiring before remove old switch otherwise it's hard to figure out I've found.
Note the difference between gangs and ways.
Your com1 and com2 terminals refer to the gangs on the switch i.e you have two independent switches. Each switch has L1 and L2 which are the ways. So you have a 2 gang 2 way switch.
Note that where you have black going into your switch terminals it won't be a neutral it will be a switch live.
Op a photo would be required, we can't help you from the basic information you supplied.
Note the difference between gangs and ways.
Your com1 and com2 terminals refer to the gangs on the switch i.e you have two independent switches. Each switch has L1 and L2 which are the ways. So you have a 2 gang 2 way switch.
Note that where you have black going into your switch terminals it won't be a neutral it will be a switch live.
Op a photo would be required, we can't help you from the basic information you supplied.
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You would think, but alas I stopped beating that drum years ago.
I help sometimes if the original poster seems to at least have a clue but this one without a photo is asking for trouble.
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Pretty dangerous way of doing it. You've assumed he's got breakers and not fusest too. Better off drawing the switch on paper and labeling up the cables to correspond with the connections.