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Re: [OT] Low Energy Bulbs
- Subject: Re: [OT] Low Energy Bulbs
- From: Jim Noble <yahoo-groups@xxxxxxxxxxxxxxxxxx>
- Date: Mon, 25 Apr 2005 16:53:31 +0100
- References:
<gwh.426d0dd0.140d6.4b5@lon-mail-7.gradwell.net>
Alex Monaghan wrote:
>
> We had a problem with a low energy bulb, when the switch was turned
off it
> would flash every so often for about 5-10 mins. We ignored it as the
bulb
> was old. However we've just put a new bulb into the lounge, this also
> seems
> to flash. (different room / fuse from the the other bulb)
>
> Any ideas / suggestions ? (we have other bulbs of the same make and
other
> makes that are OK)
>
Whatever switch you're using to power it is drawing a small current
through the bulb. This is charging a capacity in the starter circuit
which charges up until there's enough energy to "light" the lamp.
Of
course at this point the electrons start whistling nonchalantly and
generally pretending they're otherwise busy - thus the lamp goes out
again and it's back to square one...
Jim
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