Employees must follow the requirements of the Arc Flash Hazard Label by wearing the proper personal protective equipment (PPE), use of insulated tools and other safety related precautions. This includes not working on or near the circuit unless you are a "qualified" worker.
Each employee should be responsible for his or her own electrical safety self-discipline.
OSH ACT - Occupational Safety and Health Act of 1970
Although OSHA does not cite employees for violations of their responsibilities, each employee "shall comply with all occupational safety and health standards and all rules, regulations, and orders issued under the Act" that are applicable. Employee responsibilities and rights in states with their own occupational safety and health programs are generally the same as for workers in states covered by Federal OSHA.
An employee should do the following:
Figure 1: OSH Act of 1970 Sec 5 Duties (b)