NST Safety Gap Question.

• To: tesla-at-pupman-dot-com
• Subject: NST Safety Gap Question.
• From: "William Parn" <parn-at-fgm-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 17 Apr 2000 11:27:05 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Greetings All,

I picked up a second 9kv-at-30ma NST and decided that
I now will definitely need a safety gap.  So I 
hooked one up and paralleled the NST's.  The gap
constantly fired, it did not fire when connected
up to one NST directly.  So I doubled the spacing
of the gap and then it still fired often.  

So I am wondering what are the basic rules for setting
the safety gap so that it only fires upon a primary
strike, or something potentially equally devastating?

Or does it sound like I maybe have another problem, like
maybe to small a wire in the primary hookups?

By the way my variac is electrically tingling me
with the two NST paralleled.  Will this stop if I
stop using the house ground for the NST's and variac?

Many Thanks,
Bill Parn

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