They don't need one.
The idea is to keep you, your tools, the equipment your working on and
your PSU, antenna, test equipment etc at the same potential. It doesn't
matter what that potential. Your mains electricity supply ground is
certainly sufficient as most things will already be connected to it.
F and J wrote:
I've seen a lot of "anti-hazard" warnings here and
there for our K2 building process. Various outfits
sell anti-static pads, wrist straps, wrist straps
with series megohm protection - but none ever
mention where these devices are supposed to pick
up a reliable earth ground? Or don't they
need one? I don't think one can rely on their
house wiring to find a reliable un-connected earth
ground.
...building K2 # 5422, control board finished and
Front Panel on desk in a pile of parts. :)
Tnx 73's
Fred N3CSY
3/21
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