Solution and Answer Guide ELECTRICAL WIRING RESIDENTIAL 21ST EDITION RAY C. MULLIN, PHIL SIMMONS, DEREK VIGSTOL (Complete And Verified Study material) (368pages) LEARNEXAMS

CHAPTER 1: GENERAL INFORMATION FOR ELECTRICAL INSTALLATIONS TABLE OF CONTENTS Review............................................................................................................................ 1 Safety-Related Problems .............................................................................................. 5 REVIEW Refer to the NEC or the plans in the back of this text where necessary. 1. What code sets the standard for electrical installation work in the United States? ________________________________________________________________ ____________ Answer: The NEC is the basic standard; local and state codes are to be considered also. 2. What entity enforces the requirements set by the NEC? ________________________ ________________________________________________________________ ____________ Answer: The local electrical inspection authority or Authority Having Jurisdiction(AHJ) 3. Does the NEC provide minimum or maximum standards? ________________________ Answer: Minimum 4. What do the letters ―UL‖ signify? ________________________________________________________________ ____________ Answer: When shown on an electrical product or in a certification mark, it means