AEP Safety Procedures & PPE 3 — Questions and Answers
Question 1: What is the purpose of a 'hot stick' (live-line tool) when working on energized lines?
- To increase the current-carrying capacity of a conductor
- To maintain safe working distance between the worker and energized parts (Correct answer)
- To test soil resistivity near ground rods
- To cut conductors during emergency de-energization
Correct answer: To maintain safe working distance between the worker and energized parts
Hot sticks provide insulation and safe reach distance, allowing workers to operate energized equipment without direct contact.
Question 2: Under confined space entry procedures at AEP, an 'attendant' is responsible for:
- Performing all work inside the confined space
- Monitoring entrants and initiating rescue if needed, without entering the space (Correct answer)
- Testing air quality inside the space before entry
- Signing the entry permit on behalf of the supervisor
Correct answer: Monitoring entrants and initiating rescue if needed, without entering the space
The attendant remains outside, continuously monitors the entrants, and initiates rescue procedures if an emergency occurs.
Question 3: Which NFPA 70E hazard/risk category requires arc-rated PPE with a minimum rating of 40 cal/cm²?
- Category 1
- Category 2
- Category 3
- Category 4 (Correct answer)
Correct answer: Category 4
PPE Category 4 (formerly HRC 4) requires arc-rated clothing and equipment with a minimum arc rating of 40 cal/cm².
Question 4: When using personal protective grounds at AEP, the ground should be attached in which order?
- Hot end first, then ground end
- Ground end first, then hot end (Correct answer)
- Either end first — order does not matter
- Only after verifying voltage with a meter
Correct answer: Ground end first, then hot end
Grounding procedure requires connecting the ground end first to provide a fault current path before the hot end is connected to the conductor.
Question 5: What hazard does FR (flame-resistant) clothing protect against that standard PPE does not?
- High-voltage electrocution
- Arc flash and flash fire thermal hazards (Correct answer)
- Chemical splashes from insulating oil
- Impact from falling objects
Correct answer: Arc flash and flash fire thermal hazards
FR clothing is designed to self-extinguish and resist ignition, protecting workers from burns caused by arc flash and flash fire events.
Question 6: What does a 'two-call' or 'two-challenge' rule require in AEP safety culture?
- Two supervisors must approve any energized work permit
- A worker must speak up twice if a safety concern is not addressed (Correct answer)
- Two employees must verify LOTO before work begins
- Two separate arc flash studies must be completed per year
Correct answer: A worker must speak up twice if a safety concern is not addressed
The two-challenge rule requires a worker to raise a safety concern at least twice to ensure it is heard and addressed before proceeding.
Question 7: Which atmospheric hazard is most commonly tested for before entering electrical manholes or vaults?
- Carbon dioxide only
- Oxygen deficiency, flammable gases, and toxic vapors (CO, H₂S) (Correct answer)
- Radiation levels
- Asbestos fiber concentration
Correct answer: Oxygen deficiency, flammable gases, and toxic vapors (CO, H₂S)
Atmospheric testing in manholes checks for oxygen deficiency, combustible gases, and toxic vapors such as carbon monoxide and hydrogen sulfide.
AEP Safety Procedures & PPE 3
What is the purpose of a 'hot stick' (live-line tool) when working on energized lines?