What must be done before working on electrical equipment?

Before working on electrical equipment, it is crucial to turn off the power and implement lockout/tagout procedures. This practice ensures that the equipment is completely de-energized and cannot be accidentally energized while work is being performed. Lockout/tagout typically involves placing a lock and tag on the power source, which prevents others from turning the equipment back on until it is safely re-energized.

This approach significantly reduces the risk of electrical shock, injury, or even fatality, as it protects the worker from accidental contact with live electrical components. Ensuring safety through power disconnection and proper signage is essential for safe electrical work practices in compliance with industry regulations.

Turning off the equipment while it's running poses serious safety risks, as it can lead to unexpected startup or exposure to hazardous conditions. While checking voltage levels may sound prudent, this should only be done after confirming that the equipment is de-energized. Similarly, wearing insulated gloves is important, but it does not eliminate the need for proper power isolation. Thus, the only way to ensure a completely safe working environment is to turn off the power and follow lockout/tagout procedures.