In USA, the National Occupational Safety and Health Administration (OSHA) requires that in non-residential locations, employers should conduct arc hazard assessment and analysis, confirm the calculation results of arc flashover hazard distance and incident energy, and select appropriate personal protective equipment for staff. Print the evaluation result as a label and stick it on the body of the electrical switch.
Once accident happened, if failing to comply with the legal requirements, the employer will be required to pay high penalty for compensation.
In case of severe event, the employer may be required to stop all working case for investigation until finish all necessary processes. The loss will be quite heavy. In general, all employers are willing to accept and comply with the specified regulations.
In the contrast, in Taiwan, domestic regulations are less and few specified in this respect, only like stipulated by the Ministry of Labor states that "employers shall have responsibilities to supply safety and health equipment and method to prevent harm caused by electricity.
Obviously, Taiwan needs to improve arc flash risk environment to prevent electrical personnel from dangerous.