Re: Cable question

From: 	doug swanson[SMTP:des-at-ellijay-dot-com]
Sent: 	Friday, January 02, 1998 6:11 AM
To: 	Tesla List
Subject: 	Re: Cable question

>      4.  Get spark plug wire, from an auto parts store.

Spark Plug Wire is a misleading term.

More often than not, spark plug wires have no wire in them, but a carbon
fiber sort of conductor.  Also, the additional resistance used to
suppress RF may be more resistance than you might want to put into your

> They'll all work fine.  The neon stuff with the black flame retardant
> jacket over the polyethylene insulation is the safest bet, buy the TV and
> spark plug rubber-insulated wire have the advantage of being more
> flexible.
> >Also what kind of cable should I use to connect the Tesla tank components.
> >I presume there's quite a large current flowing through here and neon cable
> >can't hack it.
> That's an understatement.  100's of amps and 14 gauge wire are a bad
> match indeed.  I use 1" copper strap for my tank, recommended to me by
> Gary Lau, and it is a noticable improvement over the 8 gauge Monster car
> audio cable I was using previously.  The bigger your coil, the larger the
> tank wiring needs to be.  What size are you building?
> >And finally what kind of wire should I use to wind the chokes?
> For air core chokes, HV enamel covered is best.  Double Formvar wire that
> is used for secondaries is suitable.  I don't recommend air core chokes,
> since you need to make them huge to get the right value.  Small air cores
> tend to self-resonate due to the high inter-winding capacitance.  They
> are mini-TC's in their own right.
> For ferrite and iron powder chokes, PVC jacketed hookup wire or stripped
> RG58 (50 ohm coax) are most common.  Of course you need to keep the clear
> plastic part of the RG58 :-).
> -Adam
> --------------------------------------------------------------------------
> Adam Smith
> absmith-at-tiac-dot-net
> Epoch, Inc. Digital Music Project
> www.tiac-dot-net/users/absmith/                 MP3 Demo Tracks Now Available!
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