You'll notice that not all electrical plugs are the same and might even have different inserts depending on the country. Here ...

There are multiple ports for plugging in electrical leads or jacks. To use a multimeter, you must first select the correct ...

Standard American outlets have at least two slots. The left slot is the neutral slot, and the right slot is the hot slot.

Introducing a symbol for adaptors not permitted ... The scope of the committee covers standards for electrical accessories such as switches, plugs and socket-outlets, home automation devices ...