Scope 1.1 This standard applies to the design, installation, operation, maintenance and testing of equipment whose role is to ensure the electrical supply: a) in buildings or facilities in the event of a failure of normal power, where emergency power is required in the National Building Code of Canada (NBC); and b) essential power systems, where emergency generators are intended for use in health care facilities in accordance with section 6 of CSA Z32. Notes: 1) For guidelines regarding emergency power supply for survival equipment, see Appendix A. 2) In this standard, the term “building” also refers to facilities. 1.2 Electrical power systems designed and installed to serve purposes other than emergency power may be used as an emergency power source provided they meet the requirements of this standard. Note: See Appendix D for guidelines on the use of emergency power systems for purposes other than emergency power supply. 1.3 This standard does not cover: a) emergency power supplied by batteries or other uninterruptible power sources; b) use of emergency power supply; and (c) the design and construction of self-contained emergency lighting devices conforming to CSA C22.2 No. 141. 1.4 In the CSA Standards, the term “shall” indicates a requirement, that is, a requirement that the user must respect to ensure compliance with the standard; “should” indicates a recommendation or what is advisable but not obligatory to do; and “may” indicates a possibility or what is permitted to be done. The notes that accompany the articles do not include prescriptions or recommendations. They are used to separate from the text explanations or information that are not properly part of the standard. Notes at the bottom of figures and tables are part of these and can be written as prescriptions. The annexes are qualified as normative (mandatory) or informative (optional) to clarify their application.
CSA C282-2009 history
1970CSA C282-2019 Emergency power supply for buildings
2010CSA C282-2009 Alimentation électrique de secours des bâtiments
1985CSA C282-1977 Alimentation électrique de secours des bâtiments