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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Lighting circuit - loop through in switch
I've recently started changing normal switches to dimmer switches in
my 1 ear-old home and noticed a very strange wiring technique.... Each of the switches I've changed so far have had the 'loop-through' wiring done inside the wall switch. Most rooms are fitted with LV halogen downlighters, so there's no ceiling rose - but surely the looping should have been done in junction boxes. Annoyingly, this means there's very little space in the back box for the extended depth of a dimmer. Can anyone please give me guidance whether this conforms to 16th Edition regs, or if I should get another qualified electrician to inspect. Regards, Dan |
#2
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Lighting circuit - loop through in switch
Hi John,
Each of the switches I've changed so far have had the 'loop-through' wiring done inside the wall switch. This is sometimes done, especially in older properties where there may not be a ceiling void. Annoyingly, this means there's very little space in the back box for the extended depth of a dimmer. This can be a real pain - as I'm sure you've found out. You may find you need to fit deeper back boxes. They usually need a deeper back-box than the 16mm ones often used for light switches. Can anyone please give me guidance whether this conforms to 16th Edition regs, or if I should get another qualified electrician to inspect. Yes it does conform. Debatable whether it is good practice. In your case I'd say it is good practice, as any joints are more easily accessible to inspect etc. than ones hidden away in the ceiling void. Interestingly this months "Professional Electrician" mag, Nov 03 p61 has an NICEIC article that covers (more-or-less) this point. -- John "Dan Sloane" wrote in message om... I've recently started changing normal switches to dimmer switches in my 1 ear-old home and noticed a very strange wiring technique.... Each of the switches I've changed so far have had the 'loop-through' wiring done inside the wall switch. Most rooms are fitted with LV halogen downlighters, so there's no ceiling rose - but surely the looping should have been done in junction boxes. Annoyingly, this means there's very little space in the back box for the extended depth of a dimmer. Can anyone please give me guidance whether this conforms to 16th Edition regs, or if I should get another qualified electrician to inspect. Regards, Dan |
#3
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Lighting circuit - loop through in switch
Can anyone please give me guidance whether this conforms to 16th
Edition regs, I don't think of any reason why it wouldn't conform, provided that the correct terminals are used. It seems sensible, given that with downlighters there isn't an obvious ceiling rose location to do the wiring. Christian. |
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Lighting circuit - loop through in switch
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Lighting circuit - loop through in switch
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