[sdiy] getting started

[John L Marshall]

but, but, but.... telephone circuits are 48 volts with 90 volts AC, 20 Hz
for ringing. The source impedance is relatively high. What is the UL opinion
on that?

Take care,
John
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Pacific Northwest DIY Synthesizer meeting, January 18, 2003
See: www.sound-photo.com
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----- Original Message -----
From: "Tim Ressel" <madhun2001 at yahoo.com>
To: "patchell" <patchell at silcom.com>; "Pot Synth" <pot_synth at yahoo.co.uk>
Cc: <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, October 22, 2002 5:01 PM
Subject: Re: [sdiy] getting started


> Yo,
>
> According to UL, anything 40.4V or above is high
> voltage.
>
> --TR