NEMA BU 1.2
NEMA BU 12 2002-JAN-01 Applcaton nformaton for Busway Rated 600 Volts or Less
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This Standards Publication covers products for distribution of electric power at 600 volts or less, consisting of enclosed sectionalized prefabricated busbars rated at 100 amperes or more.
It does not pertain to metal-enclosed busways as described in the ANSI/IEEE C37.23 Standard.