What is the main requirement for maintaining the safety of personnel during repairs on equipment?

The primary requirement for maintaining the safety of personnel during repairs on equipment is to perform repairs only when power is off and the equipment is blocked. This practice is crucial because it minimizes the risk of accidental energization or movement of equipment while repairs are being conducted. When power is turned off, there is a significantly reduced risk of electrical hazards such as shock or electrocution. Additionally, blocking the equipment ensures that it cannot move unexpectedly, protecting workers from potential crush injuries or accidents.

This safety protocol is part of standard lockout/tagout procedures, which are essential in many industries where equipment must be serviced. Ensuring that machinery is completely de-energized and immobilized creates a safe working environment that is conducive to repair work. This enhances the safety of all personnel involved and is a critical aspect of operational safety standards.