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Originally Posted by phantomcow2
I am almost done! Final wiring for my 6 month project is about to be complete. I've got a lot of things grounded already. When I think of it, I think everything is connected to the power ground of my house; earth. What about my shielded cable though? Do I need to connect the one end of the cable to the same ground? Or could I simply connect it to the steel enclosure I have for all my electronics?
Also, I've got a small 5v and 12v power supply which has a ground terminal. Should this be grounded right to the house ground as well?
I don't think I'm up to explaining all of the possibilities regarding proper grounding. As a rule of thumb, a common ground will ensure that you are not pulling your hair out chasing down weird problems caused by ground loops. That said, there are also valid reasons for isolating grounds for different circuits, so without a schematic of what you are doing, I can't give you good advice. It's also been a good ten years since I last designed any electronic circuitry - just sayin.
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