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January 15, 2025
January 15, 2025

Fundamentals of Arc Flash: Introduction

In November 2024 OSHA released new guidance to improve arc flash safety amongst commercial, industrial, and residential electricians and operators, maintenance, and others working on or near exposed energized electrical parts. Behind the new guidance is a chilling fact: preventable arc flash injuries continue to occur amongst inside electricians at […]
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December 27, 2017
December 27, 2017

What is Arc Flash Analysis?

If you wear arc-rated (AR) clothing and personal protective equipment (PPE) with a protective rating higher than a possible arc is likely to have, you can ensure you won’t be burned in the event of an arc flash. But how do you know what incident energy is possible, so you […]
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November 29, 2017
November 29, 2017

How Hot is an Arc Flash?

An arc flash event poses significant danger to anyone working on or near energized electrical equipment. An electrical fault, or short-circuit, can result in an enormous release of energy, with potentially deadly heat and molten metal projecting outward for significant distance at high speeds. How much heat, exactly? Well, if […]
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November 14, 2017
November 14, 2017

What are the Main Causes of an Arc Flash?

If you work with energized electrical equipment, you’ve probably heard of an arc flash. And, with some estimates showing thousands of arc flash incidents per year, you may have even seen this deadly hazard on the job. While wearing arc-rated (AR) clothing is an integral part of protecting yourself against arc […]
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October 27, 2017
October 27, 2017

Which Type of Arc Rating Best Measures Protection?

The evidence is clear, arc-rated (AR) clothing saves lives! In the event of an arc flash, AR clothing does not ignite, and they insulate you against the hazard so that you’re not burned through the fabric. As we saw in our last post, ASTM F1959, Standard Test Method for Determining the Arc Rating of Materials […]
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October 9, 2017
October 9, 2017

What is an Arc Rating?

Arc-rated (AR) clothing is critical in the presence of an arc flash hazard because it will not ignite and continue to burn. This can save your life! AR clothing also performs a second function, insulating you against the hazard so that you’re not burned through the fabric. But what is an arc rating, […]
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October 3, 2017
October 3, 2017

What is an Arc Flash?

Anyone working on or near energized electrical equipment needs to be very aware of the risks associated with an arc flash – and take the necessary precautions to protect themselves. Failure to do so can result in severe injury or death. An arc flash is a sudden release of energy […]
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