[ale] OT: Office lighting

[hbbs at attbi.com (Jeff Hubbs)]

Stuffed Crust wrote:

> On Tue, Apr 30, 2002 at 11:01:34AM -0400, Thompson Freeman wrote:
> 
>>Flourescent is what I'm slowly putting throughout the house - makes it
>>easier to air condition. 8-) Putting the lighting & fan on a separate
>>
> 
> The problem I have with flourscent lighting is flicker.  They flicker at
> 60Hz, which is slow enough for me to be able to seee.. and gives me
> quite a headache if I'm around 'em for more than a couple of hours.
> 
>  - Pizza
> 

Actually, they flicker at 120Hz - the absolute value of the 60Hz 
not-quite-sinusoidal mains power.  Some fixtures will start blinking at 
60Hz when they're going bad and THAT is plainly visible.

- Jeff


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