Electrical System Symbols

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Electrical System Symbols
Electrical System Symbols

Power Factor Transducer , high Voltage Circuit Breaker Fixed Type
Under Voltage Relay , earthing Switch
Kilowatt-hour With Pulse Initiator , distribution Transformer No. x
Automatic Synchronizing Relay , lightning Arrester Or Surge Arrester
Manual Synchronizing Relay , high Voltage Fuse
Ampere Transducer , generator Set
Over Current Ground Fault Relay , volt-meter
Ground Protection Relay , ammeter
Limiting Switch 15 A., Heavy Duty , low Voltage Circuit Breaker Fixed Type
Switch Panel Or Control Switch Panel , current Transformer
Outlet For Exhaust Fan , key Interlock
Located At X Floor, Number , motor Operation (for Switchgear)
Wiring To Switch ‘x’ , power Factor Meter
Handhole , kilovar Meter
Dimmer Switch , kilowatt Meter
Manhole , frequency Meter
Hand Dryer , potential Transformer
Three Way Switch 10 A., 250 V. , normally Closed Contact
Single Pole Switch 10 A., 250 V. , normally Opened Contact
Over Current And Instantaneous Trip Relay , mdb%%ux
Power Outlet With Ground Rated As Indicated , capacitor Bank
On-off Push Button For Two Wire Remote Switch System , overload Relay
Transformer 20 Va. And Overload Protection , operating Coil For Relay Or Contractor
Fan Switch With Indicating Lamp 10 A., 250 V. , electrical System Symbols
Single Convenient Outlet 15 A., 250 V. W/ground Except , high Tension Terminator
Outlet For Self Contained Battery Emergency Light , junction Box Or Pull Box
Single Floor Outlet 15 A. 250 V. W/ground , circuit Breaker Box Rating As Specified
Duplex Convenient Outlet 15 A., 250 V. W/ground Except , selector Switch
Shaver Outlet 220 V. With Double Wound Isolating , shunt Trip Coil
Isochronous Load Sharing Device , voltage Regulator
Gas Or Buchholz Relay, Alarm Condition. , under Voltage Release Trip Coil
Over/under Frequency Relay , non Fused Disconnecting Switch For Normal Load Or Essential
Locking-out Relay , fused Disconnecting Switch For Normal Load Or Essential
Gas Or Buchholz Relay, Tripping Condition. , no Voltage Release Trip Coil
Home Run To Circuit Number ‘x’ Panel ‘a’ And , distribution Board For Normal Load Or Essential Load
Thermal Relay , grounding Conductor In Conduit
Phase Sequence Voltage Relay , closing Coil
Over Voltage Relay , panel Board, For Normal Load Or Essential Load
Blocking Relay , low Voltage Circuit Breaker Drawn Out Type
Undercurrent Or Under Power Relay , voltage Transducer
Directional Power Relay , high Voltage Circuit Breaker Drawn Out Type
Transformer Temperature Relay, Tripping Condition , kilowatt-hour Meter
Transformer Temperature Relay, Alarm Condition , encased Concrete Sleeve Across The Road
Wiring With ‘x’ Conductors Or ‘x’ Conductors And , grounding Conductor In 15 Mm. Diameter Conduit
Home Run To Circuit Number ‘x’, ‘y’ And ‘z’ In Panel ‘a’ , mechanical Distribution Board (supplied By Other)
Outlet, Mounted Above Ceiling Level , main Distribution Board For Normal Load Or Essential Load
High Voltage Load Breaker Switch , wiring With 2 Conductors Or 2 Conductors And
Kilovar Controller For Power Factor Improvement , junction Box Mounted Above Ceiling Level
Otherwise Indicated

Electrical System Symbols
Electrical System Symbols
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