TABLE OF CONTENTS This chapter focuses on the wiring and devices used in residential and office branch circuits. It starts by reviewing the National Electrical Code (NEC 2002) branch circuit requirements and includes diagrams for circuit, switch, and receptacle wiring. In addition, it covers such subjects as the use of conduit in branch circuits, ground-fault circuit-interrupter (GFCI) protection, and the wiring of both 120-V AC and low-voltage AC outdoor circuits. The electrical devices discussed and illustrated in this chapter are standard products available in home improvement and hardware stores.
The information in this chapter is accurate to the best of the author's knowledge, but it is intended for educational and reference purposes, not as a guide for the performance of electrical work. The publisher disclaims liability for any personal injury or property damage resulting from the use of or reliance on this text or diagrams for any purpose other than educational. If used for another purpose, the reader should either rely on his or her own independent judgment or seek the advice of a licensed professional electrician.
The National Electrical Code (NEC 2002) provides guidance for electrical contractors and electricians, but it is really intended for use by governmental agencies that have legal jurisdiction over electrical installations and authorized electrical and insurance inspectors. The many mandatory chapters include Chapter 2, "Wiring and Protection," Chapter 3, "Wiring Methods and Materials," and Chapter 4, "Equipment for General Use." These are supplemented by Chapter 5, "Special Occupancies," Chapter 6,...
