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
- Further to the risk-based approach to safety, safety controls must be developed and prioritized based on documented risk assessments.
- Requirements for condition of maintenance, periodic inspections, and program auditing have been added to the section on electrical safety programs.
- 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.
- Electrical safety programs are now required to include the investigation of “near miss” incidents.
- The minimum threshold for potentially-hazardous energy has been reduced from 50V to 30V.
- The process for shock risk assessment is now aligned with the arc flash risk assessment process.
- Arc blast is now recognized as a category of electrical hazards.
- 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.
- The table on arc flash hazard identification is now affiliated with the arc flash risk assessment.
- All training and auditing requirements have been relocated to Clause 4.1, following the establishment of an electrical safety program.
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