Figure 8.4. There is a battery on the left. The positive terminal of the battery goes to one side of a single pole, single throw, switch that is labeled eh. The other side of the switch goes to another SPST switch labeled B. The other side of the B switch goes to a switch labeled C. The other side of the C switch goes to one side of a lamp. The other side of the lamp goes to the negative side of the battery. End verbal description.
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