LIST OF FIGURES
DOE-HDBK-1016/1-93
Electrical Diagrams and Schematics
LIST OF FIGURES
Figure 1 Basic Transformer Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure 2 Transformer Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure 3 Switches and Switch Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 4 Switch and Switch Status Symbology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 5 Fuse and Circuit Breaker Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 6 3-phase and Removable Breaker Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 7 Common Electrical Component Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 8 Large Common Electrical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 9 Comparison of an Electrical Schematic and a Pictorial Diagram . . . . . . . . . . . . . 9
Figure 10 Comparison of an Electrical Schematic and a Wiring Diagram . . . . . . . . . . . . 10
Figure 11 Wiring Diagram of a Car's Electrical Circuit
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Figure 12 Schematic of a Car's Electrical Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 13 Example Electrical Single Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 14 Examples of Relays and Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 15 Ganged Switch Symbology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 16 Three-Phase Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 17 Example 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 18 Example 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
PR-03
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