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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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RE: Idea for Poll


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: Idea for Poll
  • From: "Jon Whiten" <jon@xxxxxxx>
  • Date: Tue, 26 Sep 2000 22:13:41 +0100
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx



-----Original Message-----
From: Nigel Orr [mailto:Nigel.Orr@xxxxxxx]
Sent: 26 September 2000 09:20
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Idea for Poll


<<Can we add 'Camera Flash unit', or am I the only one.  It was a
good one
too, had my arm tingling for 1/2 hour, and intermittent heart arrythmia for
a few days...>>

We make beacons (strobes) at work of the order 2.5 to 24 joules.  I am
regularly discharging one of the flash caps through my fingers (ouch!).  I
remember a few years ago getting a real belt when my wedding ring zapped
the
back of a board.  Didn't much like wearing it again for about 2 years.

<<Then there's 'touching the live and neutral pins of a plug'.  This
particular product (A professional minidisc recorder from a large
manufacturer), to conform to CE regs, had a cap across L-N, built in to the
product, and connected after the IEC socket but before the power switch,
with no discharge resistor.  As a result, if you happened to switch off the
product on its power switch, then switch off and unplug the mains lead,
there was a random voltage between +340 and -340V across the L and N pins
of the plug, depending where on the mains cycle you'd unplugged it...
electrical russian roulette :-)>>

We have a Yamaha PFP100 piano that does the same.  Always a belt when
packing it into it's flight case.


Regards,

Jon
+--------------Personal------------+----------Work-----------+
Jon Whiten        Church Gresley   D.G. Controls Limited
Derbyshire  Beacon Lamp Specialists
jon@xxxxxxx         England      mail@xxxxxxx
http://www.whiten.co.uk/          
http://www.deegee.com
+----------------------------------+-------------------------+



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