Downlighters in lath and plaster ceiling

nimh · 10 Jun 2013

Can low voltage downlighters be put in a lath and plaster ceiling?

I already have downlighters in a plasterboard ceiling and they get very hot and realise they would be a fire risk in lath and plaster as well as most probably unacceptable.

Thanks in advance.

bernardgreen · 11 Jun 2013

Low voltage or Extra Low Voltage ( 230 is Low Voltage in the wording of electrical regulations ) ?

It doesn't matter what voltage, if the unit gets very hot then there is a fire risk.

Scorched and even charred joists and the undersides of floor boards are not un-common.

The bigger risk is the laths in the ceiling around the hot lamp are scorched, the plaster crumbles and the ceiling is weakened enough for the lamp to fall out of the ceiling.

nimh · 11 Jun 2013

Thanks for the reply.

What I should have said is

I already have 240v 50watt downlighters in a plasterboard ceiling and they get very hot and realise they would be a fire risk in lath and plaster as well as most probably unacceptable.
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Would low voltage be acceptable?

Spark123 · 11 Jun 2013

They get hot too.
Cutting holes for them in a lath and plaster ceiling will have you screaming and ripping your hair out anyway.

17thman · 11 Jun 2013

if you really must have them, remove the sections of lath and plaster between joists where ever you want them, screw in p board in those sections and then skim over whole celing, then cut holes in those designated areas through the p board sections

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Downlighters in lath and plaster ceiling

nimh

bernardgreen

nimh

Spark123

17thman

DIYnot Local

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