Unit 1 Competency Test NEC ® Reference Answer 1. The National Fire Protection Association has acted as sponsor of the National Electrical Code since . 2. Informative Annex provides a list of product safety standards used for product listing where that listing is required by the NEC. 3. Which chapters in the NEC apply generally to all installations? 4. Every three years, the National Electrical Code is revised, but the Code has only been on a three-year revision cycle since . 5. The purpose of the National Electrical Code is the practical safeguarding of from hazards arising from the use of electricity. 6. The original Code document was developed in as a result of the united efforts of various insurance, electrical, architectural, and allied interests. 7. Informative annexes are not part of the requirements of the NEC but are included for only. 8. What city was home to the first central-station electric generating plant developed by Thomas A. Edison? 9. Chapter consists of tables that are applicable as referenced. 10. In the NEC, UL is the abbreviation for . 11. Equipment that is listed, labeled, or both, or identified for a use shall be installed and used in accordance with any included in the listing, labeling, or identification.