Arc flash is a short circuit where the electrical current arcs across an air gap. When an electric arc spreads in the air and releases strong explosive energy, it can cause serious or fatal injuries. Therefore, workers in the oil and gas industry must wear appropriate protective clothing.

The Arc Protection Clothing for Electricians has passed the arc test ASTM F1959F and also passed the flash fire test ENISO 11612, ensuring that the jacket can be used safely in places where flash fires and arcs exist. At the same time, it has passed the Oeko-Tex? standard. The clothing is not toxic and does not emit toxic gases. It is safe and reliable.
https://www.lifesafepro.com/protective-clothing/arc-protection-clothing/arc-protection-clothing-for-electricians.html