USB to Gigabit Ethernet Adapter with Built-in Grounding - Grounded

A: If you bought something a couple years ago - it was not from us. It must have been something different - this product is brand new for late 2018/early 2019.

This plugs into a laptop computer or other ungrounded computer into a standard USB port - also technically known as USB A port - the large long skinny rectangle classic USB design.

It has a plug on it that plugs into an outlet to provide ground. This way it grounds the computer that before was ungrounded. Grounding the computer greatly reduces high frequencies measured in the human body.
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Answer provided by:  Shaun Kranish (4/12/2019)

A: We have some adapters in stock - if you put a note in your order I will include one in there for free. Otherwise adapters like that are available on Amazon such as this one: https://amzn.to/2Za4Gab or this other style too: https://amzn.to/2UUrSdw
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Answer provided by:  Shaun Kranish (4/12/2019)

A: If a laptop has a metal port with metal trim and tabs or balls on the sides to make contact with a shielded cable, then having it plugged into a shielded cable which is plugged into a switch which also has metal trim/tabs AND is grounded with our adapter...that will ground the laptop.

If the laptop has a plastic-only port, then you could just get the USB ground adapter and still use the plastic ethernet port already built-in to the laptop. That would be cheaper than this adapter. Unless you wanted one of these adapters also for a laptop/ungrounded computer that has no ethernet port at all.

Correct, for a desktop or similar computer that is for sure already grounded with a 3-prong cord...keep in mind there are some laptops that have 3-prong cords but the ground does not carry all the way up to the laptop itself...only to the AC adapter/charger block. In the case of a grounded computer - you do NOT want to double ground it. You would still want to use a shielded ethernet cable, but if that cable is plugged into a grounded switch then you want to install one of our white plastic isolator couplers in there to separate the two grounds. Connecting two grounds will cause a ground loop - this is VERY undesirable.
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Answer provided by:  Shaun Kranish (4/12/2019)