Chapter 30 Electrical Wiring. . . . . . . . . . . . . . . . . 798 30.1 Tools and Equipment . . . . . . . . . . . 800 30.2 Electrical System Components . . . . 802 30.3 Basic Electrical Wiring Theory . . . . 805 30.4 Installing the Service . . . . . . . . . . . 808 30.5 Grounding and Ground Faults . . . . 809 30.6 Reading Prints . . . . . . . . . . . . . . . . 811 30.7 Running Branch Circuits . . . . . . . . . 811 30.8 Device Wiring . . . . . . . . . . . . . . . . . 812 30.9 Electrical Troubleshooting . . . . . . . . 815 30.10 Home Security and Automation Wiring . . . . . . . . . . . . . . . . . . . . . . . 817 Section 6 Mechanical Systems Chapter 31 Plumbing Systems. . . . . . . . . . . . . . . 823 31.1 Plumbing Regulations . . . . . . . . . . . 823 31.2 Two Separate Systems . . . . . . . . . . 824 31.3 Tools . . . . . . . . . . . . . . . . . . . . . . . . 825 31.4 Plumbing Supplies . . . . . . . . . . . . . 827 31.5 Fixtures . . . . . . . . . . . . . . . . . . . . . . 832 31.6 Sealing Plumbing Systems . . . . . . . 832 31.7 Reading Prints . . . . . . . . . . . . . . . . . 833 31.8 Installing Plumbing . . . . . . . . . . . . . 835 31.9 Replacing Plumbing Parts . . . . . . . . 841 31.10 Wells and Pumps . . . . . . . . . . . . . . 842 Chapter 32 Heating, Ventilation, and Air Conditioning . . . . . . . . . . . . . . . . 847 32.1 Heating and Cooling Principles . . . . 847 32.2 Conservation Measures . . . . . . . . . 848 32.3 Heating Systems . . . . . . . . . . . . . . . 849 32.4 Air Cooling Systems . . . . . . . . . . . . 855 32.5 Ducts . . . . . . . . . . . . . . . . . . . . . . . 856 32.6 Controls . . . . . . . . . . . . . . . . . . . . . 856 32.7 Air Exchangers . . . . . . . . . . . . . . . . 857 32.8 Heat Pumps . . . . . . . . . . . . . . . . . . 857 Appendix A Carpentry Math Review . . . . . . . . . . . . . 862 Appendix B Technical Information . . . . . . . . . . . . . . . 881 Glossary . . . . . . . . . . . . . . . . . . . . . . . 911 Index . . . . . . . . . . . . . . . . . . . . . . . . . . 937 Copyright Goodheart-Willcox Co., Inc. xxii