Which set of precautions should be followed when approaching arc-flash hazards in a switchyard during maintenance?

• A. Establish barricades and safe clearances, wear appropriate PPE, de-energize and ground as needed, and follow permit procedures.
• B. Wear PPE only and proceed without barricades.
• C. De-energize without barricades, and skip permits.
• D. Establish barricades but ignore PPE and permits.

Answer: (A)