Verify and validate voltage without exposure


Electrical safety has changed significantly since Article 120.1 of the NFPA 70E was written.

While Article 120.1(1-6) established the procedure for creating an electrically safe work condition, the day-to-day practice of electrical safety has changed due to the increased usage of permanent electrical safety devices (PESDs) in lock-out/tag-out (LOTO) procedures. With PESDs incorporated into safety procedures, installed correctly into electrical enclosures, and validated before and after each use, workers can verify voltage without exposure. 


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