[Elecraft] Power Supply short protection

Kurt Cramer w7qhd at msn.com
Wed May 21 14:19:07 EDT 2008


Mike,

Just put vinyl tubing over the braid. I've used ground braid conered with 
tubing for years with no problem running it around, behind and under 
equipment.

73 Kurt W7QHD
----- Original Message ----- 
From: "Dave G4AON" <elecraft at astromag.co.uk>
To: <elecraft at mailman.qth.net>
Sent: Wednesday, May 21, 2008 10:20 AM
Subject: [Elecraft] Power Supply short protection



> ----------------
>
> I am running my K3 from an Astron 35M. I experienced an accidental short
> circuit on the power supply and I am wondering what everyone else does 
> about
> the possibility of accidental shorts from exposed 12V wire lugs or the
> exposed pass transistors on the back of power supplies (hot transistor
> collectors).
>
> In my case the PS is on the floor and you guessed it close to my shack
> ground braid. While fiddling the ground braid touched one of the pass
> transistor collectors and everything shut down, no damage done than
> goodness. I would like a more permanent solution.
>
> Mike Scott - AE6WA
>
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