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RE: [TCML] GFI Transformer Help
Hello Matthew,
I recently purchased a new-ish Franceformer that contained a GFI, which was rated at 9/30. I was a little disappointed when I received it, since it hadn't any signs of being a GFI'd transformer. I ended up taking off the top because I knew that it wasn't the solid-state type (bigger box) and I found a little circuit board encased in epoxy. I took wires and connected the like-colored wires, then put a MOT in series with the primary connections on the NST so that, if I was shorting something, I would be safe because I had current limiting.
In the end, my first shot was successful, and I recommend Matthew to do the same (that is, of course, assuming that his transformer is not of the solid-state variety).
For our ease, would you describe the case dimensions and other physical properties of your NST, please, Matthew?
Good luck,
Christopher Karr
> From: follies@xxxxxxxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: RE: [TCML] GFI Transformer Help
> Date: Sun, 12 Apr 2009 19:56:10 +0100
> CC:
>
> Hi.
> If it has a GFI it implies it is a recently made one (recent as not 20 years
> + years ago like most NST's are). These #should* be a better deal with
> modern materials used in their construction. It may be worth disconnecting
> it if yours is a little box under the lid. I have 4 of those sort (FART's)
> and they all run fine on a coil.
>
> Regards
>
> Phil
> www.follytowers.co.uk/tesla
>
>
>
>
>
>
> -----Original Message-----
> From: Matthew Stevens [mailto:truesoutherngeek@xxxxxxxxx]
> Sent: 11 April 2009 02:10
> To: Tesla Coil Mailing List
> Subject: [TCML] GFI Transformer Help
>
> I went to my local electronics surplus dealer and asked for a transformer
> for a Tesla coil 2 or 3 months ago (I *really* didn't know what I was doing
> then). I had then gotten really busy what with school and all, and did not
> find out until later that it was a GFI transformer, and that it wouldn't
> work for a coil. I cannot take it back (it's been to long), and was
> wondering what, if anything, I could do about this.
> The rest of my coil building went flawlessly (as far as I know), and I
> decided to try the coil anyways. I plugged it in, flipped the switch, and
> got a rhythmic hum out of my spark gap. It was actually sparking (to my
> surprise!), but not for long enough to charge the coil. It also was not
> firing loudly, or strongly, just kind of clicking. Is there any way to
> disable the GFI? Can I fix it?, I live in central Florida, so is there
> anywhere I can get an alternative, quickly? Help!
>
> Thanks,
> Matthew
>
>
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