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CSA C22.2 NO 201 1st Edition, January 1, 1984
Complete Document
Active, Most Current
Metal-Enclosed High Voltage Busways
Includes all amendments and changes through Update 3, March 2015
Additional Comments: INCLUDES REAFFIRMED, GI1 AND GI2
Published By:CSA Group (CSA)
Page Count:32
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CSA B51
This Standard applies to indoor and outdoor metal-enclosed busways for voltages from 751 V to 46 kV, inclusive, ac or dc, intended to be used in nonhazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I. 

This Standard includes straight bus sections, elbows, tees, adapter boxes, wall flanges, forced-cooled and nonforced-cooled busways, isolating links, and expansion joints. It includes constructions with rigid bus or cable type conductors. This Standard does not apply to isolated phase constructions rated more than 5000 A continuous. 

This Standard applies to busways using air as part of the insulation system but excludes gases (other than air) and solid or liquid insulation systems.