What is the primary means by which an electrical maintenance worker is protected from electrical hazards while performing work on an electrical circuit?

Correct Answer: Option C — performing a lockout/tagout procedure

Lockout/tagout (LOTO) procedures physically restrain energy-isolating devices in the safe position and provide positive warning documentation. This primary administrative and physical safeguard ensures circuits remain de-energized, protecting workers from unexpected machinery startup or electrical shock hazards during maintenance.