Should this halogen bulb work off a 24 volt socket? - sci.electronics.repair

Mensaje del debate Should this halogen bulb work off a 24 volt socket?
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Subject: Re: Should this halogen bulb work off a 24 volt socket?
From: default <defa...@defaulter.net>
Date: Sun, 15 Oct 2006 09:27:27 -0400
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On Sun, 15 Oct 2006 12:22:14 +0100, Eeyore
<rabbitsfriendsandrelati...@hotmail.com> wrote:

>
>
>HiC wrote:
>
>> Looking to power a mini halogen bulb to do film capture. It would be great
>> if I could power it off the movie projector itself without having to get an
>> additional power supply. The socket for the projector reads slightly over
>> 24v. However, the lamps it uses are 21v. Someone has stated that load is a
>> factor. Does that mean that the voltage needs to be higher than the bulb
>> rating or not necessarily?
>>
>> What I wonder is if this 24v bulb should work off the 24v socket on the
>> projector?
>
>I'd be more concerned about overloading the transformer in the projector
>myself.
>
>Graham

He seems to be implying that the 24 volts is measured output and  21
volts is the proper bulb for the projector - so the voltage under load
is expected to be lower.  In that case using a 24 volt lamp to replace
a 21 volt one will be less strain on the transformer.

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