Data Center Electrical Safety Walk Checklist

Is a written LOTO procedure readily available and specific to the equipment being worked on?

Are all authorized employees trained in LOTO procedures and can demonstrate competency?

Are LOTO devices (locks and tags) properly applied and clearly identified with the employee's name?

Is energy isolation verified before starting work (e.g., voltage testing after lockout)?

Are electrical panels clearly labeled with voltage and LOTO requirements?

For group LOTO, is a group lockout box used and properly managed?

Has a periodic inspection of the LOTO procedure been conducted within the last 12 months?

Is there a documented procedure for the safe removal of LOTO devices?

Are LOTO locks and tags in good condition and specifically designed for LOTO purposes?

Are all potential sources of hazardous energy (electrical, mechanical, pneumatic, etc.) properly controlled?

Is a current arc flash hazard assessment available for the equipment being worked on (dated within the last 5 years)?

Are arc flash warning labels present and legible on all electrical equipment?

Is appropriate arc-rated PPE (clothing, face shield, gloves) available and in good condition?

Is the arc rating of the PPE sufficient for the calculated incident energy level?

Are workers aware of the arc flash boundary and approach distances?

Is a Qualified Person present and supervising the work?

Are insulated tools rated for the voltage being worked on?

Is the multimeter CAT III or CAT IV rated and in good working order?

Are unqualified persons kept outside the restricted approach boundary?

Is appropriate head protection (hard hat) being worn?

Are all temporary power circuits protected by Ground Fault Circuit Interrupters (GFCIs)?

Are temporary power cords free from damage (cuts, abrasions, exposed conductors)?

Are temporary power cords rated for the environment (e.g., wet location)?

Are temporary power cords properly secured to prevent tripping hazards?

Is all temporary electrical equipment properly grounded?

Is there clear access to temporary power distribution panels?

Are temporary power circuits protected by appropriate overcurrent protection (fuses or circuit breakers)?

Are temporary power connections weatherproof and protected from the elements?

Are extension cords used appropriately (not daisy-chained, not used as permanent wiring)?

Are temporary power systems inspected regularly?

Is there adequate working clearance (3 feet) in front of electrical panels?

Are all electrical panel covers in place and securely fastened?

Is any damaged electrical equipment (e.g., cracked enclosures, loose wiring) taken out of service?

Are cables and wiring properly managed to prevent tripping hazards and damage?

Are conduits and raceways properly installed and supported?

Are electrical components protected from moisture, dust, and other environmental hazards?

Are appropriate fire extinguishers (Class C) readily available near electrical equipment?

Is the area around electrical equipment kept clean and free from obstructions?

Are regular electrical inspections conducted and documented?

Are extension cords used only for temporary connections and not as permanent wiring?