Solution and Answer Guide MILLER/SANDEFUR, ILLUSTRATED GUIDE TO THE NEC®, 21E, ©2026, 9780357766712; UNIT 1: INTRODUCTION TO THE NATIONAL ELECTRICAL CODE® (Complete And Verified Study material) (169pages) LEARNEXAMS

TABLE OF CONTENTS Unit 1 Competency Test .............................................................................................................................1 UNIT 1 COMPETENCY TEST 1. The National Fire Protection Association has acted as sponsor of the National Electrical Code since__________________. a. NEC® Reference: Page 1 b. Answer: 1911 2. Informative Annex _______________ provides a list of product safety standards used for product listing where that listing is required by the NEC. a. NEC® Reference: Informative Annex A b. Answer: A 3. Which chapters in the NEC apply generally to all installations? a. NEC® Reference: 90.3 b. Answer: Chapters 1, 2, 3, and 4 4. Every three years, the National Electrical Code is revised, but the Code has only been on a three-year revision cycle since _______________. a. NEC® Reference: Page 1 b. Answer: 1975 5. The purpose of the National Electrical Code is the practical safeguarding of ___________ from hazards arising from the use of electricity. a. NEC® Reference: persons and property b. Answer: 90.2(A) 6. The original Code document was developed _______________ in as a result of the united efforts of various insurance, electrical, architectural, and allied interests. a. NEC® Reference: Page 1 b. Answer: 1897