American Samoa Electrical Specialty Technician Certification Exam 200 Practice Questions w, Exams of Engineering

American Samoa Electrical Specialty Technician Certification Exam 200 Practice Questions with Verified Answers and Rationales 2026 Q&A EXAM OVERVIEW | Feature | Details | |---------|---------| | Jurisdiction | American Samoa | | Governing Authority | American Samoa Electrical Licensing Board / Board of Tradesmen Examiners | | Primary Code | National Electrical Code (NEC) – American Samoa Power Authority requires compliance with the most current NEC edition for connection | | Standard Frequency | 60 Hz | | Key Topics | NEC requirements, electrical theory, wiring methods, grounding, overcurrent protection, safety practices, local regulations |

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American Samoa Electrical Specialty Technician Certification Exam 200 Practice Questions with
Verified Answers and Rationales 2026 Q&A
EXAM OVERVIEW
| Feature | Details |
|---------|---------|
| Jurisdiction | American Samoa |
| Governing Authority | American Samoa Electrical Licensing Board / Board of Tradesmen
Examiners |
| Primary Code | National Electrical Code (NEC) American Samoa Power Authority requires
compliance with the most current NEC edition for connection |
| Standard Frequency | 60 Hz |
| Key Topics | NEC requirements, electrical theory, wiring methods, grounding, overcurrent
protection, safety practices, local regulations |
Licensing Requirements:
- All persons practicing a trade must have a Tradesman License per American Samoa Code
Annotated Title 31, Chapter 07
- Applicants must pass examinations designed to test qualifications and competence
- For a specialty contractor's license, the applicant must personally take and pass the
examination for the specialty applied for in addition to the general examination
---
SECTION 1: NATIONAL ELECTRICAL CODE (NEC) FUNDAMENTALS (Questions 125)
1. Which organization publishes the National Electrical Code (NEC)?
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American Samoa Electrical Specialty Technician Certification Exam 200 Practice Questions with Verified Answers and Rationales 2026 Q&A EXAM OVERVIEW

FeatureDetails JurisdictionAmerican Samoa Governing AuthorityAmerican Samoa Electrical Licensing Board / Board of Tradesmen Examiners Primary CodeNational Electrical Code (NEC) – American Samoa Power Authority requires compliance with the most current NEC edition for connection Standard Frequency60 Hz Key TopicsNEC requirements, electrical theory, wiring methods, grounding, overcurrent protection, safety practices, local regulations

Licensing Requirements:

  • All persons practicing a trade must have a Tradesman License per American Samoa Code Annotated Title 31, Chapter 07
  • Applicants must pass examinations designed to test qualifications and competence
  • For a specialty contractor's license, the applicant must personally take and pass the examination for the specialty applied for in addition to the general examination
SECTION 1: NATIONAL ELECTRICAL CODE (NEC) FUNDAMENTALS (Questions 1–25)
  1. Which organization publishes the National Electrical Code (NEC)?

- A. OSHA

- B. NFPA

- C. IEEE

- D. ANSI

Correct Answer: B Rationale: The National Electrical Code (NEC) is published by the National Fire Protection Association (NFPA). It is widely adopted in the United States and its territories, including American Samoa, to establish safe electrical installation standards.

  1. What is the primary purpose of the National Electrical Code (NEC)?
  • A. To design electrical appliances
  • B. To ensure electrical installations are safe
  • C. To calculate utility bills
  • D. To test electrical equipment Correct Answer: B Rationale: The NEC is primarily intended to safeguard persons and property from electrical hazards through safe installation standards.
  1. According to NEC 90.4, who is responsible for the enforcement of the Code?
  • B. Commercial buildings only
  • C. Public and private buildings, and other premises
  • D. Industrial facilities only Correct Answer: C Rationale: The scope of the NEC covers electrical installations in public and private buildings, and other premises.
  1. In American Samoa, the American Samoa Power Authority requires electrical installations to comply with which edition of the NEC?
  • A. The 2008 NEC
  • B. The most current NEC edition
  • C. The 2014 NEC
  • D. The 2020 NEC only Correct Answer: B Rationale: The American Samoa Power Authority requires electrical installations to comply with the most current edition of the NEC in order to obtain connection.
  1. Which of the following is NOT a purpose of the NEC?
  • A. Safeguard persons from electrical hazards
  • B. Safeguard property from electrical hazards
  • C. Establish electrical installation standards
  • D. Design electrical equipment for manufacturers Correct Answer: D Rationale: The NEC establishes installation safety standards but does not design electrical equipment for manufacturers.
  1. According to the NEC, which article covers general requirements for electrical installations?
  • A. Article 90
  • B. Article 100
  • C. Article 110
  • D. Article 200 Correct Answer: C Rationale: Article 110 of the NEC covers general requirements for electrical installations, including examination, identification, and installation of equipment.
  1. The NEC is updated on which schedule?
  • A. Every year
  • B. Every two years
  • D. Chapter 5 Correct Answer: C Rationale: Chapter 4 of the NEC (Articles 400-499) covers equipment for general use, including lighting, motors, and appliances.
  1. What does NFPA stand for?
  • A. National Fire Protection Association
  • B. National Federal Protection Agency
  • C. National Fire Prevention Authority
  • D. National Fire and Property Association Correct Answer: A Rationale: NFPA stands for the National Fire Protection Association, which publishes the NEC.
  1. The minimum size of a grounding electrode conductor is determined by:
  • A. Load current only
  • B. Service conductor size
  • C. Transformer size only
  • D. Breaker rating only

Correct Answer: B Rationale: Grounding electrode conductor size is based on the size of service conductors per NEC tables.

  1. According to NEC 90.5, permissive rules are identified by the use of which word?
  • A. "Shall"
  • B. "Must"
  • C. "Should"
  • D. "May" or "shall be permitted" Correct Answer: D Rationale: NEC 90.5 states that permissive rules are identified by the use of the words "may" or "shall be permitted."
  1. Which article of the NEC defines terms used throughout the Code?
  • A. Article 90
  • B. Article 100
  • C. Article 110
  • D. Article 200

Rationale: The NEC provides minimum safety standards for electrical installation to protect people and property.

  1. Which article of the NEC covers grounding and bonding?
  • A. Article 200
  • B. Article 250
  • C. Article 300
  • D. Article 400 Correct Answer: B Rationale: Article 250 of the NEC covers grounding and bonding requirements for electrical systems.
  1. Which article of the NEC covers services?
  • A. Article 200
  • B. Article 210
  • C. Article 220
  • D. Article 230 Correct Answer: D

Rationale: Article 230 of the NEC covers services, including service-entrance conductors and equipment.

  1. Which article of the NEC covers branch circuits?
  • A. Article 210
  • B. Article 220
  • C. Article 230
  • D. Article 240 Correct Answer: A Rationale: Article 210 of the NEC covers branch circuits, including their requirements and ratings.
  1. Which article of the NEC covers feeders?
  • A. Article 210
  • B. Article 215
  • C. Article 220
  • D. Article 230 Correct Answer: B Rationale: Article 215 of the NEC covers feeders, including their requirements and sizing.
  1. Which article of the NEC covers conductors for general wiring?
  • A. Article 300
  • B. Article 310
  • C. Article 320
  • D. Article 330 Correct Answer: B Rationale: Article 310 of the NEC covers conductors for general wiring, including ampacity and temperature ratings.
  1. The NEC is part of the:
  • A. National Electrical Safety Code
  • B. National Fire Codes published by NFPA
  • C. International Building Code
  • D. Uniform Building Code Correct Answer: B Rationale: The NEC is part of the National Fire Codes published by the NFPA.

SECTION 2: ELECTRICAL THEORY AND BASIC PRINCIPLES (Questions 26–55)

  1. What is the unit of electrical current?
  • A. Volt
  • B. Watt
  • C. Ampere
  • D. Ohm Correct Answer: C Rationale: Current is measured in amperes, representing the flow of electric charge.
  1. What is the unit of electrical resistance?
  • A. Volt
  • B. Ampere
  • C. Ohm
  • D. Watt Correct Answer: C Rationale: Resistance is measured in ohms (Ω), which indicates how much a material opposes the flow of electric current.
  1. What is the formula for electrical power?
  • A. P = V/I
  • B. P = I/R
  • C. P = VI
  • D. P = R/I Correct Answer: C Rationale: Electrical power is calculated by multiplying voltage by current, representing energy transfer per unit time.
  1. A 120V circuit with 10A current has how much power?
  • A. 120W
  • B. 240W
  • C. 1200W
  • D. 12W Correct Answer: C Rationale: Power is calculated as P = V × I = 120 × 10 = 1200 watts.
  1. What is the standard frequency of AC power in American Samoa?
  • A. 25 Hz
  • B. 40 Hz
  • C. 50 Hz
  • D. 60 Hz Correct Answer: D Rationale: In the U.S. and territories like American Samoa, the standard frequency is 60 Hz.
  1. What does AC stand for?
  • A. Alternating Current
  • B. Active Current
  • C. Applied Current
  • D. Amplified Current Correct Answer: A Rationale: AC stands for Alternating Current, where the flow of electric charge periodically reverses direction.
  1. What does DC stand for?
  • C. The electrical potential difference
  • D. The rate of energy consumption Correct Answer: A Rationale: Current is the flow of electric charge measured in amperes.
  1. Which material is the best conductor of electricity?
  • A. Rubber
  • B. Glass
  • C. Copper
  • D. Wood Correct Answer: C Rationale: Copper has low resistance and high conductivity, making it the best conductor among the options.
  1. Which of the following is an insulator?
  • A. Copper
  • B. Aluminum
  • C. Rubber
  • D. Silver Correct Answer: C Rationale: Rubber is an insulator that prevents the flow of electric current. Copper, aluminum, and silver are conductors.
  1. In a series circuit, current is:
  • A. Divided among branches
  • B. Equal throughout
  • C. Zero at midpoint
  • D. Variable Correct Answer: B Rationale: Current remains the same throughout all components in a series circuit.
  1. In a parallel circuit, voltage is:
  • A. Divided among branches
  • B. Equal across all branches
  • C. Zero at midpoint
  • D. Variable