Question

Is the employer required to document electrical safety related training and for whom?

 In accordance with 110.2(E) the employer is required to document electrical safety training for qualified persons (110.2(D(1)), and for unqualified persons relative to electrical safety-related practices necessary for their safety (110.2(D)(2)). 

What type of training documentation is required?

 As indicated in 130.2(D)(3) an employer is required to provide additional training when: (1) supervision or the annual inspection indicates that an employee is not following the required electrical safety-related work practices; or (2) when new technology or new equipment or changes in work procedures requires the use of electrical safety-related work practices that are different from those which the employee would normally use, or (3) when an employee is required to use electrical safety-related work practices that are new to them. 

Is there a stated mandatory time period under which retraining (additional training) is required?

 As stated in 110.2(D) employees are to be given additional (retaining in) electrical safety-related work practices every three years. It should be noted the NFPA 70E, Standard for Electrical Safety in the Workplace is revised on a three year cycle. Or when there is a change in the electrical system.

If a manufacturer’s label on arc-rated clothing indicates conformance or compliance with NFPA 70E, d

 No. The NFPA does not approve equipment. The label should indicate that the garment complies with the applicable American Society of Testing and Materials standard. 

What does the arc rating mean

 Arc Flash PPE is tested to determine its protective ability, this is called an arc rating.  This testing is done on the fabric or a finished product using various different testing methods according to applicable ASTM Standards.  There are various different types of arc ratings.  In North America, the most popular product options have an ATPV or EBT rating.  An arc rating is reported as either ATPV or EBT, whichever is the lower value.  Both of these values are provided in calories per square centimeter (cal/cm2).  ATPV, Arc Thermal Performance Value, the incident energy level at which there is a 50% probability of sufficient heat transfer to cause the onset of a second-degree skin burn injury.  EBT, Breakopen Threshold Energy, the incident energy level at which there is a 50% probability of the formation of holes or tears in the layer closest to the skin. 

Display their FAQs

 All arc-rated clothing shall be labeled in accordance with the ASTM F1506 Standard. From an Oberon Arc Flash suit to demonstrate each of the required items from section 6.3 that MUST be on every label. All arc-rated garments are labeled with an arc rating, not a category number. Category numbers should only be used when applying the table method from NFPA 70E or CSA Z462 as part of an arc flash risk assessment. Each Category number from the referenced Standard identifies in a corresponding table the minimum arc rating requirement. All arc ratings shall be expressed in cal/cm² as either ATPV or Ebt. 

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