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Dont get zapped.



>X-Envelope-From: julian-at-kbss.bt.co.uk  Thu Sep 10 05:05:30 1998
>From: Julian Green <julian-at-kbss.bt.co.uk>
>Date: Thu, 10 Sep 98 11:56:06 BST
>To: tesla-at-pupman-dot-com
>Subject: Dont get zapped.
>
>Its strange but the more you play with electricity the more you think that
you
>are immune from the effects and dangers of electric shock, thats the way
I've 
>been thinking lately and that leads to careless mistakes.  I welcome the
posts
>on pole transformers they have reminded me of the dangers and I will be
taking
>more care in future.
>
>I have a pole transformer with two high voltage bushings which means that the
>high voltage winding is isolated from earth.   If I take care and ensure that
>the rest of the tesla primary tank circuit is well insulated then there will
>be no high current path to earth (me).  If then an accident does happen and I
>touch a live wire I should be protected by the insulation.  Shock is still 
>likely but hopefully not at lethal currents.   Touching both terminals
will of
>course kill.  I will also wear insulated shoes, keep one hand in my pocket.  
>Unplug the pole transformers supply and take the plug with me.  Touch with 
>an earthed wire before making adjustments.
>
>Be aware of variacs and neon sign transformers, I got careless and a zap.  
>The variac was turned all the way down, neon sign transformer plugged in and
>I made an adjustment to the spark gap - ouch.   The varaic was outputting 
>2 volts and through a 1:50 transfomer this harmless voltage is stepped up to
>100 volts.  
>
>Can anyone think of other safety precautions?
>
>Will the isolated tank circuit idea work?
>
>Julian Green
>
>