RE: [CAD_CAM_EDM_DRO] Re: Remember Mr. Bill's servo lite?

Yeah, so....?

Many pieces of equipment that will be powered by the supply we are talking about will ground the negative side.

What has that got to do with a Variac?


Andy Wander

-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of David G. LeVine
Sent: Sunday, January 15, 2012 2:30 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Re: Remember Mr. Bill's servo lite?

On 01/15/2012 02:44 AM, robin wrote:
> Why is #1 necessarily more dangerous? I could think up scenarios, especially if one side of the secondary is NOT grounded, where #2 would give more chance of a dangerous electrical shock. But let's assume one side of the secondary is #2 IS grounded. Why is it safer to have the isolation transformer?
> >
> >
> > Andy Wander

Circulating ground currents can cause no end of grief in electronic
equipment.

Dave 8{)

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