What happens with an incorrectly wired GFCI
Just a li'l anecdote for those who've always wondered what happens if
you wire a GFCI to protect "downstream" outlets wrong (all 2 of
you)--that is, if you mix up the "line" and "load" wires.
The answer? Nothing.
Installed a GFCI in a client's kitchen, thinking I'd need two, one for
each outlet on a sink counter. It became clear, though, that they were
in a chain, so I could protect both with just one GFCI. So I wired in
the GFCI, wiring the downstream outlet on the "load" side, ass-u-ming
that the position of the cables in the box indicated the upstream and
downstream wiring respectively.
Wrong.
When I turned on the power, the GFCI's LED lit, but I couldn't reset the
outlet, and both outlets were dead.
Whoops.
So I swapped the two sets of wires, repowered it, reset the GFCI and
bingo! everything worked fine.
The moral of the story is, you won't damage a GFCI by making this
mistake (but you'd better correct it if you want the devices to work
correctly).
--
The phrase "jump the shark" itself jumped the shark about a decade ago.
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