Re: [Phys-l] CFLs

["Anthony Lapinski" <Anthony_Lapinski@pds.org>]

I just bought a Kill-A-Watt device for about $15 online. Can measure V, I,
P, and E for any electrical device.Also measures outlet frequency. Very
nice!

Forum for Physics Educators <phys-l@carnot.physics.buffalo.edu> writes:
> Just measured:  112 V.  But that doesn't mean it isn't spiky.  And as for
> the frequent bumps and vibrations, well yes, we have those.  So I guess
> it's CFCs or kids...
> ________________________________________
> From: phys-l-bounces@carnot.physics.buffalo.edu
> [phys-l-bounces@carnot.physics.buffalo.edu] On Behalf Of Brian Whatcott
> [betwys1@sbcglobal.net]
> Sent: Tuesday, April 07, 2009 8:29 PM
> To: Forum for Physics Educators
> Subject: Re: [Phys-l] CFLs
>
> Philip Keller wrote:
> > Well what have I been doing wrong?  I've tried a variety of brands and
> NONE have lasted more than 6 months.  Some were in recessed fixtures (I
> am told that is a no-go) but others not.  It is hard to pay $7 for a bulb
> that doesn't last long enough to pay back the investment.  I feel guilty
> not buying them and then I feel guilty when they have to be thrown away...
> You have spiky line power or
> an intermittent neutral/ground connection or
> a high level of vibration in the ceiling area or
> frequent bumps in the ceiling area.
>
> Wildly guessing now.... I expect the incandescents you formerly used
> also failed rather quickly?
>
> You are not alone.
>
> Brian W
>
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