| Abbreviation | Definition |
|---|---|
| AESA | Active Electronically Scanned Antenna |
| AESD | Advanced Electric Ship Demonstrator |
| AESO | Alberta Electric System Operator |
| AESS | Aerospace and Electronic Systems Society |
| AESS | Aircraft Electrical Servicing System |
| AESS | Institute of Electrical and Electronic Engineers - Aerospace and Electronics Systems Society |
| AET | Aircraft Electronics Technician |
| AET | All Electronic Tolling |
| AET | Avionics Electrical Technician |
| AETF | Alaska Electrical Trust Fund |
| AETI | American Electric |
| AEUC | Alberta Electrical Utility Code |
| AEV | Advanced Electrical Varnishes |
| AF | Anode Fall |
| AF | Attenuation Factor |
| AF | Automatic Filter |
| AFA | Antifading Antenna |
| AFC | Amplitude Frequency Characteristics |
| AFCB | Arc Fault Circuit Breaker |
| AFCI | Arc Fault Circuit Interrupter |