This
quick and fun book tells you:
- What the wiring looks like inside your walls
- Why your house is wired in parallel, not in series
- Why a 2-wire cable has three wires and a 3-wire cable has
four wires
- Why the switches at the bottom and top of a stairway are
called 3-way when there are only two of them
- That every circuit is made of of a power supply, switch,
and load.
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