DisconnectSwitch(DS)Provides visibleisolation ofequipment butdoes notinterrupt loadcurrent. ADSSFiberCircuitBreakerInterruptsfault andload currentto protect thesystem. Dead‑EndStructureA structure thatanchorsconductors atthe end of atransmissionline. SurgeArresterProtectsequipment fromovervoltagesurges causedby lightning orswitching. ControlHouseWave/LineTrapStationServiceTransformerGroundRodMotor‑OperatedDisconnectA disconnectswitchoperatedremotely by anelectric motor. TouchVoltageFaultGroundSwitchConnectsequipment toground forsafety duringmaintenance. SchedulePerformanceIndex (SPI)Line‑to‑GroundFaultStrainBusBusworkdesigned tohandlemechanicaltension fromconductors. As‑BuiltDrawingDICMCostPerformanceIndex (CPI)CTSaturationSulfurHexafluoride(SF6)StepVoltageCCVTRemoteTerminalUnit(RTU)CTPolarityRingBusA busconfigurationwhere breakersform a closedloop, improvingreliability.TieBreakerSCADAGroundGridBrownfieldStationTouchvoltageGreenfieldStationCTJumpersFlexibleconductors thatconnect rigidequipment andallowmovement. Line‑to‑LineFaultBusinessProtocolIdentificationBreakerFailureSchemeProtection logicthat operatesbackup trippingif a breaker failsto clear a fault. Breaker‑and‑a‑HalfA substationlayout usingthree breakersto protect twocircuits.BusDifferentialTransferBusAn auxiliary busused to transfercircuits duringmaintenance orbreakeroutages.RegulatorGroundMatControlCableStepvoltagePowerTransformerTransfers electricalenergy betweencircuits at differentvoltage levelsusingelectromagneticinduction.OPGWVT /PTBusworkConductivebars or tubesthat distributepower withina substation.ExpansionConnectionRigidBusFixedaluminum orcopper bussupported byinsulators. RadialFeederRemoteEndSubstationDisconnectSwitch(DS)Provides visibleisolation ofequipment butdoes notinterrupt loadcurrent. ADSSFiberCircuitBreakerInterruptsfault andload currentto protect thesystem. Dead‑EndStructureA structure thatanchorsconductors atthe end of atransmissionline. SurgeArresterProtectsequipment fromovervoltagesurges causedby lightning orswitching. ControlHouseWave/LineTrapStationServiceTransformerGroundRodMotor‑OperatedDisconnectA disconnectswitchoperatedremotely by anelectric motor. TouchVoltageFaultGroundSwitchConnectsequipment toground forsafety duringmaintenance. SchedulePerformanceIndex (SPI)Line‑to‑GroundFaultStrainBusBusworkdesigned tohandlemechanicaltension fromconductors. As‑BuiltDrawingDICMCostPerformanceIndex (CPI)CTSaturationSulfurHexafluoride(SF6)StepVoltageCCVTRemoteTerminalUnit(RTU)CTPolarityRingBusA busconfigurationwhere breakersform a closedloop, improvingreliability.TieBreakerSCADAGroundGridBrownfieldStationTouchvoltageGreenfieldStationCTJumpersFlexibleconductors thatconnect rigidequipment andallowmovement. Line‑to‑LineFaultBusinessProtocolIdentificationBreakerFailureSchemeProtection logicthat operatesbackup trippingif a breaker failsto clear a fault. Breaker‑and‑a‑HalfA substationlayout usingthree breakersto protect twocircuits.BusDifferentialTransferBusAn auxiliary busused to transfercircuits duringmaintenance orbreakeroutages.RegulatorGroundMatControlCableStepvoltagePowerTransformerTransfers electricalenergy betweencircuits at differentvoltage levelsusingelectromagneticinduction.OPGWVT /PTBusworkConductivebars or tubesthat distributepower withina substation.ExpansionConnectionRigidBusFixedaluminum orcopper bussupported byinsulators. RadialFeederRemoteEndSubstation

Substation Bingo - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. Provides visible isolation of equipment but does not interrupt load current.
    Disconnect Switch (DS)
  2. ADSS Fiber
  3. Interrupts fault and load current to protect the system.
    Circuit Breaker
  4. A structure that anchors conductors at the end of a transmission line.
    Dead‑End Structure
  5. Protects equipment from overvoltage surges caused by lightning or switching.
    Surge Arrester
  6. Control House
  7. Wave/Line Trap
  8. Station Service Transformer

  10. Ground Rod
  11. A disconnect switch operated remotely by an electric motor.
    Motor‑Operated Disconnect
  12. Touch Voltage
  13. Fault

  15. Connects equipment to ground for safety during maintenance.
    Ground Switch
  16. Schedule Performance Index (SPI)
  17. Line‑to‑Ground Fault
  18. Buswork designed to handle mechanical tension from conductors.
    Strain Bus
  19. As‑Built Drawing
  20. DICM
  21. Cost Performance Index (CPI)
  22. CT Saturation
  23. Sulfur Hexafluoride (SF6)
  24. Step Voltage
  25. CCVT
  26. Remote Terminal Unit(RTU)
  27. CT Polarity
  28. A bus configuration where breakers form a closed loop, improving reliability.
    Ring Bus
  29. Tie Breaker
  30. SCADA
  31. Ground Grid
  32. Brownfield Station
  33. Touch voltage
  34. Greenfield Station
  35. CT
  36. Flexible conductors that connect rigid equipment and allow movement.
    Jumpers
  37. Line‑to‑Line Fault
  38. Business Protocol Identification
  39. Protection logic that operates backup tripping if a breaker fails to clear a fault.
    Breaker Failure Scheme
  40. A substation layout using three breakers to protect two circuits.
    Breaker‑and‑a‑Half
  41. Bus Differential
  42. An auxiliary bus used to transfer circuits during maintenance or breaker outages.
    Transfer Bus
  43. Regulator
  44. Ground Mat
  45. Control Cable
  46. Step voltage
  47. Transfers electrical energy between circuits at different voltage levels using electromagnetic induction.
    Power Transformer
  48. OPGW
  49. VT / PT
  50. Conductive bars or tubes that distribute power within a substation.
    Buswork
  51. Expansion Connection
  52. Fixed aluminum or copper bus supported by insulators.
    Rigid Bus
  53. Radial Feeder
  54. Remote End Substation