| ENERGY - SCHEMATIC SYMBOLS | ||
And what happens when the energy quits and the lights go out? A technician's main aid in troubleshooting is the schematic diagram. The schematic diagram is a "picture" of the circuit that uses symbols to represent the various circuit components; physically large or complex circuits can be shown on a relatively small diagram. This figure shows the symbols that are commonly found on electrical schematics. These, and others like them, are used throughout the study of electricity and electronics. |
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