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Revised Standard Allows Arc Flash Evaluation of Many New Products

ASTM F2621 has been revised with a title change and broadened scope to evaluate non-arc rated products. ASTM Committee F18 on Electrical Protective Equipment for Workers has recently revised its standard F2621/F2621M, Standard Practice for Determining Response Characteristics and Design Integrity of Arc Rated Finished Products and Evaluating other Products in an Electric Arc Exposure. […]

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Q&A Series: What are the Retest Requirements for Arc Flash PPE?

Q: What are the retest requirements for arc flash PPE? A: This is a question we get a lot, and we hear it from both manufacturers and end users. Read on to learn when arc testing should be repeated. MANUFACTURERS Garments In the U.S., there is currently no requirement to retest for arc ratings in ASTM […]

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Arc Flash Accident: Brian’s Story

“The main thing that I would say to anybody doing electrical switching or electrical work is PPE works if you use it….” An arc flash accident can happen to anyone–listen in for Brian’s firsthand account and his message, brought to you by e-Hazard.

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ATPV vs. EBT: Arc Ratings Explained

ASTM Standard Definitions: ATPV (Arc Thermal Performance Value) is the incident energy on a material that results in a 50% probability that sufficient heat transfer through the specimen is predicted to cause the onset of second-degree burn injury based on the Stoll Curve, cal/cm².   Energy Breakopen Threshold (EBT) The incident energy on a material that results […]

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