I bought an anti static mat that came with a banana plug connector and an alligator clip that can be mounted on the banana plug. Can I connect the banana plug connector directly into a US ground socket hole? Or should I buy a ground plug adapter like this instead? Link to ground plug adapter on Digikey
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\$\begingroup\$ If it is reliable for you, that's ok, but a ground screw is more permanent. \$\endgroup\$– D.A.S.Commented Nov 9, 2021 at 22:09
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\$\begingroup\$ you could plug directly into a power outlet, since you cannot possibly misplug a banana plug in US ... you could also use a PC power supply enclosure as a grounding point ... the power supply does not have to be functional, it only has to be plugged into a power outlet \$\endgroup\$– jsotolaCommented Nov 9, 2021 at 22:10
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\$\begingroup\$ I just plugged the banana to the center prong hole. \$\endgroup\$– jayCommented Nov 9, 2021 at 22:10
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\$\begingroup\$ it would be cheaper to make your own ground lug adapter \$\endgroup\$– jsotolaCommented Nov 9, 2021 at 22:13
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1\$\begingroup\$ it's more important to connect it to the user than it is to connect it to safety ground. \$\endgroup\$– Jasen Слава УкраїніCommented Nov 10, 2021 at 3:45
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1 Answer
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Just use a UL listed ground plug adapter
Don't mess with AC mains. Anything that connects to North American style mains, needs to be built to UL White Book standards and UL-listed as equipment. (Or equivalent from CSA, ETL etc.)
"RU" is a Recognition for components, and is not equivalent.
Random jumper plugs are not built to go into AC mains ground pins. They either are not UL Listed at all, or their instructions do not authorize that use.
The police aren't going to arrest you if you do this, but your insurance company will laugh at your claim.
answered Nov 10, 2021 at 0:32
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\$\begingroup\$ Thank you, your suggestion would then be to buy such a ground plug adapter and then insert the banana plug in that? As a reference, here is the mat: adafruit.com/product/4405 \$\endgroup\$– AndreaCommented Nov 10, 2021 at 2:22
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\$\begingroup\$ @Andrea Yeah. That's the Code way to do it. They probably didn't provide one because they ship the same product all over the world. I love what Adafruit is all about. I was raised on Heathkit myself. \$\endgroup\$ Commented Nov 10, 2021 at 2:32