| Description | IEC representation | ANSI representation |
|---|---|---|
| Disconnector – Intermediate position |
|
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| Disconnector – Open position |
|
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| Disconnector – Closed position |
|
|
| Disconnector – Bad (faulty) position |
|
|
| Circuit breaker – Intermediate position |
|
|
| Circuit breaker – Open position |
|
|
| Circuit breaker – Closed position |
|
|
| Circuit breaker – Bad (faulty) position |
|
|
| Truck – Intermediate position |
|
|
| Truck – Open position |
|
|
| Truck – Closed position |
|
|
| Truck – Bad (faulty) position |
|
|
| Contactor – Intermediate position |
|
|
| Contactor – Open position |
|
|
| Contactor – Closed position |
|
|
| Contactor – Bad (faulty) position |
|
|
| Load Breaker – Intermediate position |
|
|
| Load Breaker – Open position |
|
|
| Load Breaker – Closed position |
|
|
| Load Breaker – Bad (faulty) position |
|
|
| Disconnecting truck – Intermediate position |
|
|
| Disconnecting truck – Open position |
|
|
| Disconnecting truck – Closed position |
|
|
| Disconnecting truck – Bad (faulty) position |
|
|
| Current transformer |
|
|
| Voltage transformer 2 windings |
|
|
| Voltage measurement truck – Intermediate position |
|
|
| Voltage measurement truck – Open position |
|
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| Voltage measurement truck – Closed position |
|
|
| Voltage measurement truck – Bad (faulty) position |
|
|
| Current sensor |
|
|
| Voltage sensor |
|
|
| Transformer 2 windings |
|
|
| Transformer 3 windings |
|
|
| Autotransformer |
|
|
| Tap changer |
|
|
| Transformer 2 windings with earth |
|
|
| In-feeder |
|
|
| Out-feeder |
|
|
| Earth symbol |
|
|
| Button |
|
|
| Capacitor |
|
|
| Motor |
|
|
| Generator |
|
|
| Fuse |
|
|
| Resistor |
|
|
| Earthing transformer |
|
|
| Petersen coil |
|
|
| Power factor controller |
|
|