[TheForge] Lamp cord and heat generation

Fri Jun 14 12:53:01 2002

Yes the length of run does add resistance but heat is a matter of current
through resistance in a fixed length. In other words with a known current the
heat generated in 1 foot of wire is what you want to know.  It is true that the
longer the run is the more heat generated, however, the heat in a given distance
will remain about the same. House hold lamps typically use 18 gage wire

Darrell

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----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Thursday, June 13, 2002 4:13 PM
Subject: Re: [TheForge] Lamp cord and heat generation

> Hi Darrell!
>
> On Thu, 13 Jun 2002, Darrell wrote:
>
> > Not as long as the wire size is right. 16 gage should be large enough. 14
gage
> > would be oversize and should produce no heat for 200 watts.
>
> Doesn't the gauge depend on not only the load but the length of the
> run? A longer run will definetly add resistance.
>
> edge
>
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