Which of the following actions must an employer take regarding the location of energized electric circuits?

An employer is required to notify employees of the locations of energized electric circuits to ensure the safety and well-being of all workers in the vicinity. This action is critical because it enables employees to be aware of potential hazards, allowing them to take necessary precautions to avoid accidents and injuries associated with exposure to live electrical components.

Understanding the locations of energized circuits is essential for anyone working near or with electrical systems, as it directly impacts their ability to perform their duties safely. Employers are responsible for ensuring that their workforce is informed about these hazards as part of broader workplace safety practices and compliance with occupational health regulations.

In contrast to this requirement, other choices represent practices that either do not fulfill safety obligations or undermine them. For example, merely posting information on a bulletin board might not guarantee that all employees are adequately informed or aware of the potential dangers. Ignoring safety regulations can lead to serious legal consequences and unsafe work environments, while keeping circuit locations confidential would contradict safety protocols and increase the risk of electrical incidents.