by , on January 12, 2018

Based on the latest research, the CSA Z462-18 – Workplace Electrical Safety builds upon its previous editions. It was written in conjunction with the latest editions of NFPA 70E – Standard for Electrical Safety in the Workplace and the 2018 Canadian Electrical Code, Part I.

10 Changes to Know in the CSA Z462, 2018 Edition

  1. Further to the risk-based approach to safety, safety controls must be developed and prioritized based on documented risk assessments.
  2. Requirements for condition of maintenance, periodic inspections, and program auditing have been added to the section on electrical safety programs.
  3. The hierarchy of control is now mandatory with a new requirement that makes hazard elimination the first priority in the implementation of safety-related work practices.
  4. Electrical safety programs are now required to include the investigation of “near miss” incidents.
  5. The minimum threshold for potentially-hazardous energy has been reduced from 50V to 30V.
  6. The process for shock risk assessment is now aligned with the arc flash risk assessment process.
  7. Arc blast is now recognized as a category of electrical hazards.
  8. The table on the selection of clothing and other PPE has been moved from Annex H to the criteria on arc flash risk assessment, making it part of the mandatory requirements.
  9. The table on arc flash hazard identification is now affiliated with the arc flash risk assessment.
  10. All training and auditing requirements have been relocated to Clause 4.1, following the establishment of an electrical safety program.

You can order a copy on the CSA Group website.


Hugh Hoagland
About author:

Hugh Hoagland is the foremost tester of clothing and PPE exposed to electrical arcs and is an arc flash expert. Read more about Hugh.


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