Historical
ANSI/NEMA PB 2.1:2007
General instructions for proper handling, installation, operation,and maintenance of deadfront distribution switchboards rated 600 volts or less
Covers floor-mounted deadfront switchboards that consist of an enclosure, molded-case and low-voltage power circuit breakers, fusible or non-fusible switches, instruments and metering, monitoring or control equipment, with associated interconnections and supporting structures.
CONTENT PROVIDER
NEMA: National Electrical Manufacturers Association [nema]
NEMA: National Electrical Manufacturers Association [nema]