Draft Details

Designation:C22.2 No. 66.2
Review start date:Oct 20, 2020
Review end date:Dec 19, 2020
Contact email:mary.morgan(at)csagroup.org
Associated materials (click link to download). You will need to be logged in to download any files:

Adobe Acrobat For PDF files, Adobe Acrobat Reader can be downloaded from the Adobe website.

Draft Scope/Description:

As noted in Low Voltage Transformers - Part 1: General Requirements, UL 5085-1, or CSA C22.2 No. 66.1, Low Voltage Transformers - Part 1: General Requirements, the requirements of Part 2 cover:

a) Air-cooled transformers and reactors for general use;
b) Autotransformers;
c) Ferroresonant transformers;
d) Cord-connected transformers; and
e) Transformers incorporating overcurrent or over-temperature protective devices, transient voltage surge protectors, or capacitors.

These requirements do not cover Class 2 and Class 3 transformers (which are evaluated in Part 3).

Part 2 is intended to be used in conjunction with Part 1. The numbering of the clauses in Part 2 corresponds to the numbered clauses in Part 1. The requirements in Part 1 apply unless modified by Part 2.

You may comment on any section of this document by clicking the “Submit Comment” link at the bottom of the relevant section.