Hacked up power supplies

Michael B. Brutman mbbrutman-cctalk at brutman.com
Mon Mar 30 19:58:36 CDT 2009


A while back there was a funny thread about a person who was making C64 
power supplies by putting wall warts in an enclosure and selling them as 
professional grade.

I came across my own questionable homemade power suppy recently.  The 
picture is here:

	http://brutman.com/2009_0329_161949.jpg

This is supposed to feed an expanded PCjr that has two power inputs.  It 
looks like somebody broke open two PCjr power bricks and wired them in 
parallel to one line cord, then glued the bottom of the exposed bricks 
to keep them from bouncing around in the metal enclosure.

To me, this looks really ugly, and I'm suprised that somebody went to 
this depth.  The frames of the transformers were grounded, but the box 
itself was not grounded.

I like the concept, I just don't like the way it was executed.  It will 
never look pretty, but is there a way to make it safe?  Is it enough to 
secure the transformers to the box in a more robust way, and then 
connect the box to the ground, or should I just be thinking about 
recycling the components?


Mike



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