Re: Strange neons

[Terry Fritz <twftesla-at-uswest-dot-net>]

Hi Dan,

	That's how they all are ;-))  The two terminals are 7500 volts each but
out of phase.  Add them together to get 15000 volts.  The centers are
grounded to the case of the transformer which is were the filter and such
ground to also.

Some small NSTs, like my ACTown 9/30, do not have a ground stud but rather
a little screw for a case ground.  Adding a nice 1/4 inch brass stud on the
case frame fixes that quick...  I think all dual terminal NSTs in the USA
have their secondary centers tied to the case so that ground stud really is
a center taped ground.

Cheers,

	Terry


At 12:21 AM 8/28/00 +0000, you wrote:
>Coilers,
>
>I recently bought two 15000v 30 ma neons. They are franceformers.  The 
>strange things is that they are not center tapped. In fact all the wires 
>(low and high voltage) go straight into the tar potting. The only ground is 
>a green wire that is bolted onto the outside metal case. I don't really see 
>any problems with these units...but recently thought that maybe this would 
>present a problem when wiring up a filter network since the best ones seem 
>to have a ground reference that coincides with the center tap of the NST. Is 
>it possible that the CORE is grounded to the case? Any way how do I hook up 
>a filter (I am also going to be using a 15000v 60 ma wired in parallel with 
>the other two, and it does have a center tap). Help anyone?
>
>Dan
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