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In the US you're also allowed to use an ungrounded GFCI if you need to retrofit an existing electrical circuit and the ground wire wasn't provided originally.
by throwway120385 2y ago
In the US you're also allowed to use an ungrounded GFCI if you need to retrofit an existing electrical circuit and the ground wire wasn't provided originally.
- mauvehaus 2y agoI believe in this case, it also has to be labeled "no equipment ground". IANAE
- throwway120385 2y agoIt's true, but IME people don't label it.