14. Figure 4-15 A transformer keeps power constant but changes the ratio of current to voltage
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16. Figure 4-16 Normally, electricity flows from hot to neutral to make a closed circuit in the controlled environment of an electrical device such as a lamp
17. Figure 4-18 Use a receptacle tester to verify that hot, neutral, and ground are wired correctly
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19. Figure 4-19 Symbols for some electronic components and for ground
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21. Figure 4-20 Capacitors on a motherboard or other circuit board often have embedded crossed lines on top
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27. Figure 4-21 This surge suppressor has six electrical outlets, two phone jacks, and a power protection light
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32. Figure 4-24 A power management BIOS setup screen showing power-management features
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34. Figure 4-25 Changing power options in Windows XP
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38. Figure 4-26 For an ATX or BTX power supply, the remote switch wire must be connected to the motherboard before power will come on
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45. Figure 4-27 Install one exhaust fan on the rear of the case to help pull air through the case
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