electrician inspect it.
Never remove the receptacle from the wall just to investigate.
Why Are Some Outlets Installed Sideways?
You may also encounter receptacles installed horizontally or in other orientations.
This can happen because of:
Space constraints
The design of the electrical box
The surrounding wall or cabinetry
A particular installation preference
Commercial or specialty applications
Again, orientation alone doesn’t tell you everything about the electrical circuit.
The “Ground Up” Debate
