NEMA Designations and Electrical Plugs Quiz

NEMA designations use numbers before and after a dash to represent voltage and amperage ratings of plugs and receptacles.

The blade spacing for a NEMA 5-15P plug is 0.5 inches (12.7 mm).

The blade spacing for a NEMA 5-15R receptacle is 0.5 inches (12.7 mm).

NEMA connectors are categorized as straight-blade and locking connectors.

A standard electrical plug with a 5 amp rating and voltage rating, often used with household devices.

A standard electrical receptacle that's designed with a 5 amp rating and voltage rating, often used for household connections.

The highest electrical voltage that an electrical component can safely handle without breaking down.

The highest electrical current a component can manage without overheating.

Electrical connectors that do not have a locking mechanism to secure the plug.

Electrical connectors that include a locking mechanism to secure the plug and prevent accidental disconnection.