Nah..... From an old broadcast engineer, Phil just knows what safety is
all about.
My stick is almost the same thing and design.
73
Bob K4TAX
Phil Clements wrote:
>
> Ok what is a GOOD shorting stick? I don't think a screwdriver counts.
>
> Seems a friend used one on 2800v supply and it came through
> it and blew his fingernail off.
>
> What is the best way to make one?
>
> The one I have here was either military or commercial.
> No name on it; but I'll bet it cost the tax payers big
> bucks.
>
> The handle is a 1 inch plexiglass rod, 14 inches long. One
> end
> of the rod has 1/4" X 20 threads in it. A 6 inch copper
> rod,
> rounded at the "business end" and threaded on the other is
> screwed into the plexiglass rod. There is a 3 foot length of
> 1/2 inch braid encased in clear plastic tubing that is
> soldered
> to a lug where the copper and plexiglass rod join. The joint
> is
> secured with a 1/4 inch lockwasher and nut to hold the
> solder lug tight
> against the plexiglass rod. There is a giant alligator clip
> with a
> huge boot on it at the far end of the braid that clips to
> ground/
> chassis. The graph on the board all this mounts on says it
> is good
> for discharging up to 5 mfd at 25,000 volts, or 1000 mfd at
> 2000 volts. 50 mfd at 6000 volts is also in the safe range.
>
> This is overkill for most of us, but it can be scaled down
> some.
>
> (((73)))
> Phil, K5PC
>
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