Covers products for distribution of electric power at 600 V or less, consisting of enclosed sectionalized prefabricated busbars rated at 100 amperes or more and associated structures and fittings, classified as follows: feeder busways (indoor or outdoor), plug-in busways (indoor only) and accessories required to complete the busway system.





NEMA BU 1.1-2005
Original price was: $124.00.$62.00Current price is: $62.00.
General Instructions for Proper Handling, Installation, Operation and Maintenance of Busway Rated 600 V or Less
National Electrical Manufacturers Association , 01/01/2005