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About This Item
Full Description
Preface
This is the harmonized ANCE, CSA, and UL standard for transfer switch equipment. It is the first edition of NMX-J-672-ANCE, the second edition of CSA C22.2 No. 178.1, and the seventh edition of UL 1008. This edition of CSA C22.2 No. 178.1 supersedes the previous edition(s) published in 2007. This edition of UL 1008 supersedes the previous edition(s) published April 15, 2011.Scope
1.1 This standard applies to:- a) Automatic transfer switches; b) Manual or non-automatic transfer switches; c) Closed transition transfer switches; d) Hybrid transfer switches; e) Transfer switches for fire pumps; f) Bypass/isolating switches; g) Softload transfer switches; and h) Transfer switches intended for use as service equipment;
- a) Double-throw switches for use in optional standby systems; b) Switches used in equipment manufactured in accordance with Annex A1, Item 9; c) In Canada, manually operated generator transfer panels in accordance with Annex A1, Item 12. d) Transfer switches rated over 600 V; and e) Solid-state (static) transfer equipment.
Document History
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CSA C22.2 NO. 178.1:22
Transfer Switch Equipment- Most Recent
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CSA C22.2 NO. 178.1:14 (R2019)
Transfer Switch Equipment, Includes Update No. 1 (2015) and Update No. 2 (2018)- Historical Version
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CSA C22.2 NO. 178.1-12
viewing
Transfer Switch Equipment- Historical Version
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CSA C22.2 NO. 178.1-07
Requirements for Transfer Switches- Historical Version
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CSA C22.2 NO. 178-1978 (R2006)
Automatic Transfer Switches- Historical Version