DIYbanter - Incandescent lamp resistance (from sed}

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John Fields

May 23rd 07 02:37 PM

Incandescent lamp resistance (from sed} - incandescent.pdf

1 Attachment(s)

ehsjr

May 23rd 07 04:48 PM

Incandescent lamp resistance (from sed} - incandescent.pdf

John Fields wrote:

Nice chart - thanks!
How is half brightness determined?

Ed

John Fields

May 23rd 07 05:32 PM

Incandescent lamp resistance (from sed} - incandescent.pdf

On Wed, 23 May 2007 15:48:29 GMT, ehsjr
wrote:

John Fields wrote:

Nice chart - thanks!
How is half brightness determined?

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With a light meter. Read what it says with 120V on the lamp and
then decrease the voltage until it reads half that.

--
JF

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