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Re: SSTC Board - Spacing Requirements for High Voltage



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

----- Original Message -----
From: "Tesla list" <tesla@pupman.com>
To: <tesla@pupman.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@qwest.net>" <resonance@jvlnet.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