| Abbreviation | Definition |
|---|---|
| BAEA | Bay Area Electrical Apprenticeship |
| BAEC | British Amateur Electronics Club |
| BAES | Broken Arrow Electric Supply |
| BAM | Bass Alignment Module |
| BAP | Battery-Assisted Passive |
| BARC | Birmingham Amateur Radio Club |
| BAS | Building Automation System |
| BASE | Bedini Audio Special Environment |
| BASE | Boston Area Semiconductor Education (Council) |
| BASEC | British Approvals Service for Cables |
| BASH | Bridged Amplifier Switching Hybrid |
| BASS | Big Awesome Speaker Systems |
| BATE | Borisov Automobile and Tractor Electronics |
| BAVF | Banks of Assumed Velocity Filters |
| BAVM | Blonder Audio/Video Modulator |
| BB | Bounding Bus |
| BB | Bus Bar |
| BBAR | Broad-Band Anti-Reflective |
| BBD | Bucket Brigade Delay |
| BBEC | Big Bend Electric Cooperative |