Tesla coils employ what is known as a safety gap.
It is set to be just wider than the main spark gap to protect the transform=
er insulation.

Cheers,
Robert

----------------------------------------
> Date: Wed, 21 Jan 2015 19:05:09 -0500
> Subject: Re: [EE] Very high voltage question
> From: whitewaterssoftwareinfo@gmail.com
> To: piclist@mit.edu
>
> I wonder if some high value (>100M), high voltage (30kV) resistor
> might be suitable to protect against over voltage by providing a
> minimum load to the transformers?
>
> --
> Jason White
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
 		 	   		 =20
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.