This probably sounds like a really silly question, but I just don't know
where to get the right answer.
I tend to use the low-energy light bulbs. The 20W one I have in the hallway
is equivilant to a 100W conventional bulb. If I have a lamp shade that takes
a maximum bulb of 60W, if I keep the 20W SEB in it, is that ok, or too
That description is inaccurate, but it will serve. :)
It's the waste heat that's the problem. But that's within 10% of the
input rating with either CFLs or incandescent (conventional) lights.
Yup. Or slightly over-voltage a 60W incandescent and run that at 65w
too.. No problem.
BTW, where on Earth do you buy 65W CFLs from? I fear that they cost
several pereambulatory and gesticulative appendages...
65W CFLs are alive and well. There are the choice for many a "designer"
plant grower where heat may be a problem.
I presume the heat problem is the police helicopter with thermal imaging
Need I say more?
You already know that you cannot be raided for buying a low energy lamp as
not all hydroponics are illegal:-) You do know UK law better than me.
As for cheap then try a wholesalers.
My local police helicopter used it's thermal imaging equipment on a house
near me and this resulted in a drugs raid as the loft was "hot". It turned
out the poor bugger raided was replacing the lath ceilings for plasterboard
and was re-insulating the loft when the police arrived.
Quoted power figures for light fittings are primarily in consideration of
the heat output of conventional bulbs and also in consideration of the
capacity of the internal wiring of some fittings. As with low energy bulbs
both the heat output and the power requirements are far lower, it's possible
to safely use any low energy configuration which will physically fit within
the lighting array.
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