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How to ground equipment in a house with no grounded receptacles?

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MarkS:
I just recently had to move in with my brother while I undergo cancer treatments. I'm setting up a workbench, but the house is very old and not grounded. The room I'm in has access to the bathroom plumbing. I'm guessing I can either run a ground tap to the cold water line or outside and drive a copper grounding stake into the ground.

Which of those options would be best, or is there a better way that doesn't involve rewiring the house?

Siwastaja:
What are the devices you think need to be "grounded" and why do you think they need to be grounded?

For ESD mitigation, you can use 1Mohm series resistor (preferably with high voltage rating, like a leaded 1kV part) to plumbing.

And of course, use GFCI/RCD for safety; regardless of whether you have grounding or not. Plug-in type RCDs are cheap and do not need installation.

MarkS:
Oscilloscope, bench top power supply, antistatic pad and strap, hot air rework station, soldering station, reflow oven, etc...

Siwastaja:
I have used and currently use all the mentioned stuff without grounding in my previous apartment and my current house, no problem.

MarkS:
The biggest issue is the antistatic pad and strap.

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