Page 331 - Electromechanical Devices and Components Illustrated Sourcebook

Chapter 18 Electrical Schematics 293

Limit Switch, NO Autotransformer

Limit Switch, NC Autotransformer, Variable

G Generator
Bell

Fluorescent Lamp M Motor

Spark Gap Motor, Shunt Wound
M

Spark Gap

3 Phase, Wye

Signal Generator

3 Phase, Delta
Unspecified Component

Pump Transformer, 3 Phase
(Delta/Delta Shown)

Fan

Pressure Switch, SPST Pressure Switch, DPST

Figure 18-6 Standard Schematic Symbols