| Abbreviation | Definition |
|---|---|
| GES | Generic Equipment Simulator |
| GESA | General Electric Supervisory Association |
| GESC | Global Electronic Sports Championship |
| GESU | General Electric and Sea Containers |
| GET | GETter (vacuum tube) |
| GET | Global Electric Transport |
| GETC | General Electric Trunking Card |
| GETC | Global Electronic Trade Confirmation |
| GEU | Guidance Electronics Unit |
| GF | Ground Fault |
| GFC | Gas Filter Correlation |
| GFCI | Ground Fault Circuit Interrupter |
| GFCI | Ground Finding Current Instantly |
| GFDI | Ground Fault Detection Interrupter |
| GFI | Ground Fault Interrupt |
| GFT | General Feedback Theorem |
| GGG | Gadolinium Gallium Garnet |
| GGGT | Gaussian Gain Gaussian Threshold |
| GHz | GigaHertz |
| GIEAA | Guangdong Illuminating Electric Appliance Association |