UL 857-09 Busways
Publication Year
2009
Document Status
Current
Abstract
Specifies service-entrance, feeder, and branch-circuit busways and associated fittings rated at 600 V or less, 6 000 A or less.
Document History
Revised April 09, 2021.
Publisher Information
Underwriters Laboratories
Established in 1894 as the Underwriters' Electrical Bureau, UL is a global safety consulting and certification company, approved to perform safety testing by the U.S. federal agency of Occupational Safety and Health Administration.
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