Smoke Alarm Off Lighting Circuit

The iee niceic eca and select what does the 17th edition say.

Smoke alarm off lighting circuit. Smoke alarms can be connected to a lighting circuit this is the preferred circuit. You turn the power off because you might expose live connections whilst changing the battery given it takes seconds to flick a breaker off its the sensible thing to do. Meady 10 meady 10 senior member. Instead of a bunch of red and black wires as i was expecting theres two cables with one black and one green wire and one with a red and a green wire.

The lighting circuit doesent go into a bathroom so i m asuming i can work on it without adding. If you are still on 3036 s i d get someone in to give you a price for a board change. So it seems it is ok to run them off a existing rcd. Smoke alarm off lighting circuit.

Buy the ones nightglow has mentioned. The smoke alarms instructions state that it should be on a single circuit but i cant find anything in the regs to confirm wether this is exceptable practice or not. Currently i have two first in the hallway run off the fused switch unit off the socket circuit interlinked to the one on the landing. I need to replace the smoke alarms in my house they are over 10 years old.

I m still confused one one or two points. Locate the thermoptek smoke alarm close to bathrooms or showers as it can be susceptible to nuisance alarms from steam. The lighting cabling itself however is slightly odd. Hi all am doing a second fix and the sparky has the lighting circuit loop and the interconnected smoke alarms on the same circuit.

Regularly used local lighting circuit. Asked by meady question. Not a thing wrong with coming off of the lighting circuit for smoke alarms. I ve been reading forum posts on domestic smoke alarms and also the approved doc b and the regs.

Just a quick one can you install a smoke alarm of the lighting circuit if there is no rcd. I d be more worried about extending your lighting circuit and not being rcd protected. Posted february 24 2010. Does the wiring need to run on a dedicated circuit or does it run off the lighting.

If the breaker trips and the smokes are on their own circuit it could be some time before the problem is discovered but if they were on a lighting circuit the problem would be apparant. This seems to be the most common way nowadays to do it with it s own circuit mcb. Part 6 states that. The smoke alarm has a standard live brown cable and a blue neutral one.

The alternative is wiring on a dedicated circuit who says this. It makes no reference to domestic smoke alarm installations in the whole document. The smoke alarm breaker should be marked try the lighting circuit if not first.