The National Electrical Code (NEC), or NFPA 70 sets the foundation for electrical safety in residential, commercial, and industrial occupancies in the United States. It is part of the National Fire Codes series published by the National Fire Protection Association (NFPA), a private trade association.
National and International organizations producing codes and standards - ANSI, ISO, DIN, BSi and more.
NEMA locked rotor indicating code letters for electrical motors.
North American hazardous locations classification with classes, divisions and groups
Electrical insulation systems rated by standard NEMA classifications to maximize allowable operating temperatures.
Nema sized contactors or starters.