Re: To cut or not to cut

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 8/8/01 11:21:27 PM Eastern Daylight Time, tesla-at-pupman-dot-com 
writes:

> one
>  has to unhook  a wire and reattach it to the next lug to change the
>  inductance. OR
>  we can unbolt the I section of the EI core and shim it up or down a bit to
>  change
>  the inductance once again...   seems like a lot of work .....  it would be
>  nice to
>  have a multipole switch attached to the different tap points and just
>  simply flip
>  the switch to the appropriate setting one wishes but...  not too often do
>  we see a
>  ceramic 300V insulated multipole switch rated for 75+ A.

Scot,

My homemade ballast uses a multi-pole switch.  But it's
only rated for 30 amps which is fine for my small coil.  But
there are high current multi-pole switches available too.

John Freau