Why Some Wall Outlets Are Installed Upside Down

down, don’t immediately assume it was installed incorrectly. It could have been intentionally oriented that way to identify a switched receptacle or another type of circuit. It could reflect an electrician’s preferred installation method. It could also simply be the way that particular receptacle was installed. If you are curious, you can look for other clues. For example, see whether the outlet is controlled by a nearby wall switch. You can also check whether it is located in an area where a particular electrical function might be expected. SourceParts But remember that appearance alone cannot confirm how the circuit works.