Re: Arc'ing in my variac

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

Original poster: Esondrmn-at-aol-dot-com 

In a message dated 6/17/04 8:43:51 AM Pacific Daylight Time, 
tesla-at-pupman-dot-com writes:


>I was tuning my small coil (15/30 NST) and noticed little sparks dancing
>around the windings of my variac. Is there something fundamentally wrong
>with the setup, or do I need an RFI filter between the variac and the
>NST? The variac is an older model, and has no 3rd wire (ground) on its
>AC line.  -pat


Pat,

Yes, you should install an RFI filter between the variac and the nst.  I 
would also suggest grounding the frame of the variac to line 
ground.  Always a good idea.

Ed Sonderman