This is the harmonized ANCE, CSA Group, and UL standard for electrical motors and generators. It is the first edition of NMX-J-652-ANCE, the third edition of CSA-C22.2 No. 145, and the fifth edition of UL 674. This edition of CSA C22.2 No. 145 supersedes the previous editions published in 1972 and 1986. This edition of UL 674 supersedes the previous edition published in 2003. This harmonized standard ihas been jointly revised on iDecember 28, 2020. For this purpose, CSA Group and UL are issuing revision pages dated December 28, 2020, and ANCE is issuing a new edition dated December 28, 2020.
This standard applies to electric motors and generators or submersible and nonsubmersible sewage pumps and systems suitable for use in Class I, Division 1, Groups B, C and D, and Class II, Division 1, Groups E, F and G, hazardous (classified) locations as defined by the Canadian Electrical Code, C22.1 Part I (CEC), and the National Electrical Code, ANSI/NFPA 70 (NEC).
This standard covers the same type of electrical equipment indicated in 1.1 for installation and use in Class I, Zone 1, Groups IIA and IIB, IIB+H2, and Zone 20 and 21 hazardous locations.
This standard also covers other rotating machinery such as, but not limited to, electric brakes, tachometers, encoders, and slip rings.
This standard does not address types of protection other than explosion-proof or dust-ignition-proof.
For Canada Only - This standard does not include Canadian energy efficiency or product performance requirements. For such requirements, see Annex A, item 19. It is possible that item 19 is referenced in whole or in part in federal, provincial, territorial, or local laws or regulations relating to energy efficiency or product performance. The appropriate governmental authorities should be consulted to confirm whether item 19 has been referenced in laws or regulations.
An update to this product is available.
To sign up for notifications, when an update, amendment or new edition of the standard is published register on our Standards Update Service. After you have registered, enter the List ID for the relevant standard. The List ID can be found in the “CSA Standards Update” section within the first few pages of the standard.
If you have purchased or subscribed to a standard in PDF format, login to your CSA OnDemandTM account to access the updated PDF.
For some standards, updates (i.e. some amendments and supplements) are not included as part of the purchase price. For those standards, this service still includes the complimentary email notification when updates are published. However, those updates must be purchased separately, and are not included as part of this service.