heads up; OSI Challenger 1P

From: Geoff Roberts <geoffrob_at_stmarks.pp.catholic.edu.au>
Date: Mon Apr 19 20:56:08 1999

----- Original Message -----
From: Daniel T. Burrows <danburrows_at_mindspring.com>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Sent: Tuesday, 20 April 1999 9:28
Subject: Re: heads up; OSI Challenger 1P


> Be carefull doing this. All foreign 240 mains that I have worked with
have
> been 240 between hot and neutral.

Ours certainly are.

> This works out to be 416 phase to phase on 3 phase systems.

About right, the standard says 415v but that's close enough. I doubt you'd
feel the difference :^)

> What you will be doing is 240 between 2 hots. This
> can and will cause problems with a lot of supplies that expect the neutral
> to be at / near ground.

This is perilous at best. I'd be tempted to find a better way..

>I have several isolation transformers that I use
> for all the UK equipment I service and they all are wired for 240 Hot to
> neutral output.

Same here.

Cheers

Geoff Roberts.
Received on Mon Apr 19 1999 - 20:56:08 BST