IEC 119 Study Guide Exam (2026/2027 Edition): 150 Inside Electrical Construction Apprenticeship Questions with Rationales (p. 1)

IEC 119 Study Guide Exam | 2026/2027 Edition |
Inside Electrical Construction Apprenticeship


150 Questions with Italicized Rationales & Verified Correct
Answers




Question 1 of 150

What is the primary purpose of the National Electrical Code (NEC)?

 A. To design electrical equipment for manufacturers
 B. To provide safety standards for electrical installations
 C. To train electricians on installation techniques
 D. To certify electrical contractors

Correct Answer: B




Question 2 of 150

, Which organization publishes the National Electrical Code (NEC)?

 A. Occupational Safety and Health Administration (OSHA)
 B. Institute of Electrical and Electronics Engineers (IEEE)
 C. National Fire Protection Association (NFPA)
 D. National Electrical Manufacturers Association (NEMA)

Correct Answer: C




Question 3 of 150

What does an apprentice electrician typically require to work legally?

 A. A master electrician license
 B. Registration or supervision under a licensed electrician
 C. No formal requirements
 D. An engineering degree

Correct Answer: B