What is the proper procedure for ensuring safety with high voltage systems in commercial settings?

Ensuring safety with high voltage systems in commercial settings is a critical aspect of electrical work, and the most effective strategy involves a comprehensive approach that includes multiple safety measures. Labeling all circuit breakers is essential as it provides clear identification of the circuits and can help prevent accidental disconnection or re-energization. This aids in maintaining awareness of the system and is vital for emergency response.

Using personal protective equipment (PPE) is equally important. Proper PPE such as gloves, helmets, and insulated tools significantly reduces the risk of injury from electrical shocks, burns, or other hazards associated with high voltage work. It serves as the last line of defense against electrical accidents.

Combining these methods ensures a thorough safety protocol. The dual strategies of labeling and utilizing PPE create an environment where risks are minimized, and workers are better protected against the inherent dangers of working with high voltage systems. By implementing both of these safety practices, individuals can effectively mitigate risks and enhance their overall safety when interacting with high voltage electrical systems.

Turning off electricity whenever possible is certainly a valuable practice, but it does not encompass the full range of safety measures required. Labeling breakers and using PPE provide a more rounded approach to safety, making option C the most suitable choice.