Symbols Flashcards

Ammeter Switch

Ammeter

Angle Valve with Hose Connection

Automatic Control Valve

Check Valve

Condensate Trap

Cross Current Compensator

Auxiliary Relay

Bus Total Meter

Carrier Telephone Transmitter Receiver

Deviation recorder continous telemetering type

directional distance relay

directional ground relay

drain-cock

duplex strainer

flow indicator

Flow switch

frequency indicator

frequency recorder

gate valve normally open

globe valve with hose connection

indicating flow meter with alarm contacts

indicating thermometer

line drop compensator

Tuning unit

Lock shield valve

Needle Valve

Neutral ground relay

Overcurrent relay differentially connected

Overcurrent relay

Overvoltage realy

Pilot light

Pilot wire relay

Potential transformer switch

Pressure reducing valve

Pressure gauge with stop-cock

Reclosing relay

Recording voltmeter

Reducer on raw water print
Rectifier on main single line

Relief valve

Service valve in a cabinet

Shorting block

Sight flow indicator

Sight funnel

Single strainer

Solenoid valve

Speed indicator

Station load recorder, impulse duration type

Synchronism check relay

Synchronizing switch

Synchroscope

Temperature recorder

Tempature regulating valve

Test Block

Thermal relay

Thermoverter for load control or recording

Transformer Current Differential and Overcurrent Relay

Under and Overvoltage Relay

Undervoltage Relay

Var meter

Voltmeter switch

Voltmeter

Watt meter

Watthour meter

Watt-var duplex recorder