Both Orientations?
This is probably the part that makes people scratch their heads.
You might walk into a house and see:
Outlet 1: Ground downOutlet 2: Ground upOutlet 3: Ground downOutlet 4: Ground up
What happened?
There
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are several possibilities.
Different electricians may have installed or replaced different receptacles over the years.
A previous homeowner may have replaced some outlets.
A renovation may have changed certain receptacles while leaving others untouched.
Or some outlets may
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