CSA T500S1-1991 (R2000)
Supplement No. 1-1991 to CSA Standard T500-1983, Videotex/Teletext Presentation Level Protocol Syntax (North American PLPS)
standard by CSA Group, 05/12/2000
CSA C22.2 NO. 180-M1983 (R2008)
Series Isolating Transformers for Airport Lighting, Includes General Instructions 1-3, Update No. 4:2009
standard by CSA Group, 05/10/2000
CSA C22.2 NO. 4:16 (R2020)
Enclosed and dead-front switches (Tri-National standard, with NMX-J-162-ANCE-2016 and UL 98), Includes Update No. 1 (2019)
standard by CSA Group, 02/12/2016