| Abbreviation | Definition |
|---|---|
| FBS | Frequency Bank System |
| FBS-M | Frequency Bank System with M number of signals |
| FBT | Fly Back Transformer |
| FBV | Forward Blocking Voltage |
| FC | Fail Closed |
| FC | Field Cooling |
| FC | Flip Chip |
| FC | Forward Control |
| FC | Frequency Control |
| FC | Frequency Converter |
| FCB | Flexible Circuit Board |
| FCC | Federal Communications Commission |
| FCC | Flat Conductor Cable |
| FCC | ForeCourt Controller |
| FCDM | Field Charged Device Model |
| FCEA | Federation of Canadian Electrolysis Associations |
| FCEB | Fuel Cell Electric Buses |
| FCED | Frequency Controlled Electric Drives |
| FCEV | Fuel Cell Electric Vehicles |
| FCF | Frequency Compensation Feedback |