| Abbreviation | Definition |
|---|---|
| EFW | Electric Fields and Waves |
| EFW | Electric Fusion Welded |
| EFW | Electric Fusion Welding |
| EFW | Electronic Funds Withdrawal |
| EFY | Electronics for You |
| EG | Electricity Generation |
| EG | Envelope Generator |
| EGA | Enhanced Graphics Adapter |
| EGADS | Electronic GPS Attack Detection System |
| EGADS | Electronic Ground Automatic Destruct Sequencer |
| EGAS | Electronic Graduate Application System |
| EGB | Electronic Gas Blender |
| EGB | Electronic Gimbal Box |
| EGBA | Electronic Groove and Beat Academy |
| EGBS | Electronic Global Broadcasting System |
| EGC | Electronic Gain Control |
| EGC | Electronic Gearbox Control |
| EGC | electronic gift card |
| EGC | Electronic Gift Cards |
| EGC | Equipment Grounding Conductor |