On Thursday, 30 April 2015 23:06:47 UTC+1, EricP wrote:
Any nasty vapours being given off by the lights or the power supplies? Varnish on circuit boards overheating?
Anything in the building been disturbed? EG Could there be a leaky boiler flue above a ceiling, which has been disturbed to install the lights, and CO is now getting into the workplace?
For 'daylight' I prefer 4000K - 4500K (nominally moonlight in thickypedia).
It is bright and clear without any trace of blueness. So far I've found only
3 lamps in this range: 3W, 320lm; 4W, 600lm and one that I have bookmarked
BCBA to look (the last pint, at 9%, does that to me!).
All my main lights are now daylight LED and I too prefer them. However,
my preference could be age related - as I get older my eyesight is not
as good as it once was and I find that daylight type LEDs give better
perceived contrast and make reading etc. easier.
Just found this:
The Workplace (Health, Safety and Welfare) Regulations 1992:
Regulation 8 requires every workplace to have suitable and sufficient
lighting. The lighting in the workplace, should as far as is possible,
The Management of Health and Safety at Work Regulations 1999
place a duty on employers and self-employed people to assess risks
to health and safety from their undertaking. This will include risks
You seem to have misunderstood me, the regs don't specify that it
should be actual natural light, although that it preferable, just
close to it and most importantly, not dangerous in any way (such as
The regs say nothing like that. What they actually say is
that it should be natural light when that is possible.
It isn't with a social club mostly used at night.
and most importantly, not dangerous in any way (such as
There is no evidence that it does cause headaches, just
that they are seeing some groupthink/group hysteria.
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