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From: "Phil Allison"
Subject: Re: MOV from A to E ??
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Tue, 3 Dec 2002 21:25:22 +1100
NNTP-Posting-Date: Tue, 03 Dec 2002 21:14:22 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"John Woodgate" wrote in message
> I read in sci.electronics.design that Phil Allison
> wrote (in ) about 'MOV from
> A to E ??', on Tue, 3 Dec 2002:
> >I have unit made by DOD of the USA in my workshop.
> >It is in a one RU steel box and is called a "power distribution
> >model 828 series 2.
> >There are a pair of adjustable lamps (with dimmer) in fittings that
> >into the box mounted on the front - this will light up those units
> >below it.
> > It further has a row of 10 IEC outlets on the rear panel and a single
> >inlet with a simple thermal breaker in the active.
> > There are two 250 volt 20 J MOVs on the PCB that connects the 10
> >in parallel - one from A to N, the other from A to E.
> >There are no approval logos or numbers of any sort on the unit.
> > Any thoughts ??
> While and MOV from A to E was allowed in the past, it is now allowed
> only in exceptional circumstances. The unit must be hard-wired to the
> supply, not plug-in, and there must be TWO separate earth paths back to
> the earth bar in the fuse box. AIUI: I haven't actually seen the
> relevant text.
** Thanks for that John.
I enquired today of the safety and standards authority in NSW (Fair
Trading) and was informed that the unit was likely not a consumer item so
did not require "type approval" to go on sale.
Normally a "portable outlet device" must be formally approved and
carry numbers to that effect.
I removed the offending MOV with my trusty nippers. Don't want
that on my conscience.
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