Re: SSTC Board - Spacing Requirements for High Voltage

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

Original poster: "Crow Leader by way of Terry Fritz <teslalist-at-qwest-dot-net>" <tesla-at-lists.symmetric-dot-net>

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, June 06, 2003 7:33 AM
Subject: Re: SSTC Board - Spacing Requirements for High Voltage


 > Original poster: "Dr. Resonance by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>
 >
 >
 > At 220 volts I would allow at minimum of 0.400 inches.
 >
 > The problem isn't so much the clean board but the handling after delivery.
 > If someone puts a nice thumbprint across the 220 trace the deposited
sodium
 > chloride may cause tracking --- the main problem as the voltage increases.

Are you speaking about unmasked boards? Unless tinned, the seem to even
corrode away from just being touched.

KEN