Which of these could be a source of an arc flash in the workplace?

Arc flash can be caused by different reasons which are as follow:

The gaps in the insulation which cause continuous sparking. Use of sub-standard equipment Work overload on an equipment Failure of protective devices

Explanation:

Arc Flash:

In case of electrical or arc fault in the equipment, the electrical explosion takes place that can cause damage to your eyes, ears and skin.

Always use reliable protective devices, quality and standardized equipment and follow safety measures to mitigate the arc flash.