Re: Tingles from power supply

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#1357

From: Eeyore
Date: Tue, 10 Mar 2009 22:51

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MoiInAust wrote:

> "VWWall" <vwall@large.invalid> wrote
> > john@jjdesigns.fsnet.co.uk wrote:
> > Note this one: (From an15.pdf)
> >
> > "(2.1.10): Equipment shall be so designed that at an external
> > point of disconnection of the mains supply, there is no risk of
> > electric shock from stored charge on capacitors connected to the
> > mains circuit. Equipment shall be considered to comply if any
> > capacitor having a rated capacitance exceeding 0.1 uF and
> > connected to the external mains circuit, has a means of discharge
> > resulting in a time constant not exceeding 1 second for pluggable
> > equipment type A (non-industrial plugs and socket-outlets).
> > This requirement specifically applies to any EMI filter capacitor
> > connected directly across the AC mains which could cause a
> > shock hazard on the exposed prongs of an unplugged power
> > cord."
>
> Not an Australian standard?

IEC safety requirement. I think they state 2 seconds actually, so Power
Integrations were playing safe. Oz standards are based on IEC too.

Graham

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Date: Tue, 10 Mar 2009 22:51:25 +0000
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Subject: Re: Tingles from power supply
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