Full Description ANSI/NEMA 250-2020 covers enclosures for electrical equipment rated not more than 1000 V and intended to be installed and used for non-hazardous (unclassified) locations and hazardous (classified) locations.
ANSI/NEMA 250-2020 history
2024ANSI/NEMA 250-2020 Enclosures for Electrical Equipment (1,000 Volts Maximum)
2008ANSI/NEMA 250-2008 Enclosures for Electrical Equipment (1000 Volts Maximum)