When energized conductors operating at voltages equal to or greater than 50 volts are not put into ESWC, and work is performed under 110.4, which two risk assessments must be performed?

• A. Only a PPE assessment
• B. Only a thermal risk assessment
• C. Shock risk assessment and arc flash risk assessment
• D. Neither risk assessment is required

Answer: (C)

When you’re working on energized conductors at voltages of 50 volts or more and you’re not in an Electrical Safe Work Condition, you must evaluate both the risk of electric shock and the risk of an arc flash. The shock risk assessment identifies touch and step hazards, determines protective boundaries, and specifies measures to prevent current from entering the body (such as appropriate insulating barriers, gloves, and maintainable clearances). The arc flash risk assessment determines the potential incident energy if an arc occurs, so you can select arc-rated PPE, face shields, FR clothing, and other protective controls, and establish safe working distances.

Together, these analyses ensure you address the two distinct ways an energized fault can harm you: direct electrical current causing shock, and an arc event causing burn injuries. A PPE assessment on its own wouldn’t establish the specific hazards or boundaries, and a separate thermal risk assessment isn’t a standalone requirement beyond what arc flash analysis already covers.