Electrical Actual Practice Exam –Questions (Part 3:
Specialties) 2026/2027 update| pdf
Overview:
This comprehensive Real exam is designed for aspiring New Mexico licensed electricians
preparing for the EE-98 Residential & Commercial Electrical exam. Covering specialty
systems, emergency power, renewable energy, industrial/commercial wiring, and safety-
critical installations, questions with correct answers in bold and rationales for every
question.
Key topics include:
Emergency systems and transfer switches (NEC 700, 701)
Photovoltaic (PV) systems and rapid shutdown (NEC 690)
Battery-based energy storage (NEC 706)
Electric vehicle supply equipment (NEC 625)
Fire pump, fire alarm, and emergency lighting circuits (NEC 695, 760)
Industrial and commercial motor and HVAC circuits (NEC 409, 440, 430)
Grounding, surge protection, and lightning protection (NEC 250, 285, NFPA 780)
Specialty equipment: commercial laundry, refrigeration, elevators, escalators, electrified
furniture, cooking equipment
This resource is ideal for exam review, self-assessment, and study preparation, providing
both practical application insights and NEC code compliance guidance.
1. Which NEC article governs health care facilities?
A. 500
B. 517
C. 680
D. 550
Answer: B. 517
Rationale: Article 517 covers electrical installations in health care facilities, including hospitals,
clinics, and patient-care areas.
,2. A patient care space requires equipment grounding conductors to be:
A. Bare copper
B. Aluminum
C. Insulated copper, sized per 517.13
D. Nonmetallic
Answer: C. Insulated copper, sized per 517.13
Rationale: NEC 517.13 requires insulated copper grounding conductors to ensure safe and
reliable grounding in patient care areas.
3. In a Class I, Division 1 location, wiring methods must be:
A. Nonmetallic cable
B. Rigid metal conduit or equivalent
C. Flexible cord
D. Surface-mounted PVC
Answer: B. Rigid metal conduit or equivalent
Rationale: Class I, Division 1 hazardous locations require explosion-proof and mechanically
protected wiring.
4. Which wiring method is NOT permitted in Class II, Division 1 locations?
A. EMT
B. RMC
C. NM cable
D. Flexible metal conduit
Answer: C. NM cable
Rationale: NM (nonmetallic) cable is not rated for hazardous locations; metallic or listed
conduit systems are required.
5. A spray application paint booth requires luminaires to be:
A. Standard fluorescent
B. Explosion-proof or sealed
C. LED strip lights
D. Any above-ceiling fixture
Answer: B. Explosion-proof or sealed
Rationale: NEC 513 mandates explosion-proof or sealed fixtures to prevent ignition in areas
with flammable vapors.
,6. Which NEC article addresses commercial garages and repair facilities?
A. 511
B. 517
C. 680
D. 555
Answer: A. 511
Rationale: Article 511 covers electrical requirements for garages, service areas, and repair
facilities.
7. In a hazardous location, seals are required to:
A. Protect against physical damage
B. Prevent passage of gases/vapors
C. Provide decorative finish
D. Increase amperage rating
Answer: B. Prevent passage of gases/vapors
Rationale: Seals in conduits prevent hazardous gases from spreading to non-hazardous areas.
8. Which type of raceway is typically allowed in a Class I, Division 2 location?
A. Nonmetallic cable
B. Rigid metal conduit (RMC) or EMT
C. Unarmored flexible cable
D. Open wiring
Answer: B. Rigid metal conduit (RMC) or EMT
Rationale: Metallic conduit is permitted in Division 2 hazardous locations for mechanical and
environmental protection.
9. Health care facility critical branch circuits supply:
A. Lighting only
B. Life-support and critical patient-care loads
C. HVAC systems only
D. Office equipment
Answer: B. Life-support and critical patient-care loads
Rationale: Critical branch circuits power equipment necessary for patient safety and care.
10. Essential electrical systems in hospitals must be tested:
A. Annually
B. Monthly
C. Daily
, D. Only when installed
Answer: B. Monthly
Rationale: NEC 517 requires monthly testing to ensure reliability of essential systems.
11. Operating rooms require receptacles to be:
A. Standard grade
B. Hospital-grade, tamper-resistant
C. Weatherproof
D. GFCI only
Answer: B. Hospital-grade, tamper-resistant
Rationale: NEC 517 mandates hospital-grade receptacles in operating rooms to prevent
accidental disconnection.
12. Which NEC article governs swimming pools and spas?
A. 555
B. 680
C. 517
D. 511
Answer: B. 680
Rationale: Article 680 addresses electrical safety around pools, spas, fountains, and related
equipment.
13. Pool pump motors must be located not less than:
A. 1 ft from the pool edge
B. 3 ft from the water
C. 5 ft from the pool edge
D. 10 ft from the pool edge
Answer: C. 5 ft from the pool edge
Rationale: NEC 680.21 specifies minimum distances for pump motors to reduce shock hazards.
14. Low-voltage pool lighting must be supplied by a transformer located:
A. Inside the pool
B. At least 10 ft from water
C. Outside the pool area and grounded
D. Directly on pool deck
Answer: C. Outside the pool area and grounded
Rationale: Transformers supplying pool lighting must be located safely and properly grounded.