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DOE-HDBK-1016/1-93Electrical Diagrams and SchematicsELECTRICAL DIAGRAMS AND SCHEMATICSFusesand BreakersFigure 5 depicts basic fuse and circuit breaker symbols for single-phase applications. In additionto the graphic symbol, most drawings will also provide the rating of the fuse next to the symbol.The rating is usually in amps.Figure 5 Fuse and Circuit Breaker SymbolsRev. 0PR-03Page 5