NEMA BU 1.1:2010
NEMA BU 1.1:2010 General Instructions For Handling, Installation, Operation, And Maintenance Of Busway Rated 600 Volts Or Less Specifies products for distribution of electric power at 600 volts or less, consisting of enclosed sectionalized prefabricated busbars rated at 100 amperes or more, and associated structures and fitti