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Just take sensible precautions, it's not
necessary to make it a new religion.
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As a field tech you don't have the luxury of ESD benches & seating, shoes and clothing that should accompany it in a production environment. Having everything at ground potential is REALLY "inconvenient" if you are working with HV and you are wearing ESD footwear they provide to "ground you" if you are. Such cases you work in an earth free environment...... It's the DIFFERENCE IN POTENTIAL between the human body, tools, work surface and device that's the problem. For the home constructor, just lay out your tools and work on a large bare ( as opposed to anodised / non-stick coated) aluminium baking sheet, touch the tray once in a while to equalise the accumulated charge once in a while. Like to spread yourself out on the bench? use roll out some bacofoil instead. in your best Austin Powers inner voice. "Don't shuffle your feet on your 1960's nylon "shag pile" baby......" If you know static is a problem, work in another room or outside on the deck. Even apartment dwellers may have a kitchen sink / drainer, Is it conductive such as stainless steel, are your water pipes also metallic, good enough? Regardless whether you have a backing tray or a full ESD set up, measure if there is any leakage current once in a while from the tip of your soldering iron to either either mains or protective ground. Don't leave it until you see sparks whilst constructing your latest & greatest QRP Labs kit to discover you have a krappo soldering Iron or lost earth bonding somewhere and you realise all your "ESD precautions" are actually the cause of troubles by providing an easy return path through your most prized possession...... Alan On 22/10/2020 12:08, Mont Pierce KM6WT
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