Instead, outlets should be properly grounded and upgraded by qualified electricians when necessary.
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6. Identification of switched outlets
In some homes, one half of a duplex outlet is controlled by a wall switch. This setup allows, for example, a lamp plugged into that outlet to be turned on or off without unplugging it or using the lamp’s own switch.
Some electricians install these switched outlets upside down intentionally. This different orientation serves as a visual cue to homeowners and service personnel that the outlet
