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Because regulations give an unnaturally frightening slant to the possibility of fire and death, the real world is kinder to people and lets them live despite their ignorance.
A lot of downlighters come with an integrated fire hood now, of course this can be an issue if they are right next to joists.
In other news. The new regulations call for metal distribution boards to be fitted after April 2016, there will be no need to replace existing ones to comply but the regs have changed because of the number of fires in plastic distribution boards/consumer units. So one more thing to worry about.
Airhead-
the real world is kinder to people and lets them live despite their ignorance.
True, I don't think there's any particular fire-risk since these are open-backed fittings with plenty of room for the heat to disperse. The reason I found out this distinction though is that I had to replace the MR16 lamp fitting because there was arcing between the contacts and the pins. Apparently this is sometimes because the contacts (which are essentially springs) are not properly tempered so they lose their springiness with heat. Using dichroic bulbs probably didn't help this!
Also, it's my bathroom and it's not very warm so I quite want the extra 130-watts of heat to go down into the room, rather than up through the roof.
ffm
How the hell have I only just found out about this, given that it's a potential fire risk?!