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Re: why are secondaries bare?

Original poster: "Gregory Hunter by way of Terry Fritz <twftesla-at-uswest-dot-net>" <ghunter31014-at-yahoo-dot-com>

Hi Lews,

No need to apologize for your question.  This is a
learning forum.  You should read some of my early
posts!  Secondary windings are not bare.  It's just
that many coilers use magnet wire which is insulated
only with clear enamel coating--the copper color shows
through and looks bare, but it isn't.  A secondary
close wound with bare wire wouldn't work at all.



--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "lews therin telamon by way of
> Terry Fritz <twftesla-at-uswest-dot-net>"
> <dreamer-at-mindsong-dot-net>
> Hi list, first post for me, but I've been lurking
> for awhile.
> This might be so fundamental of a question you guys
> will be bored, but 
> I don't think I've ever seen an answer and I don't
> have anyone to
> ask.  What is the electrical reason that the
> secondary windings are always
> bare on TCs or on any transformer.  They're just
> responding to magnetic
> fields from the primary, right?  Magnetic fields,
> unlike electricity, know
> no insulation, so why leave the secondary uncovered.
>  It could still be
> stripped at the end and grounded and connected to a
> toroid...
> Excuse my ignorance if I'm grossly misinformed about
> something.
> --lews therin telamon.

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