| Abbreviation | Definition |
|---|---|
| PEBB | Power Electronic Building Block |
| PEC | Pedernales Electric Cooperative |
| PEC | People's Electric Cooperative |
| PEC | Perfect Electric Conductor |
| PEC | Physical Electronics Conference |
| PEC | Propeller Electronic Control |
| PEC | Pulsed Eddy Current |
| PECB | Prevention of Electronic Crimes Bill |
| PECL | Pseudo Emitter Coupled Logic |
| PECOS | Professional Electronic Commerce Online System |
| PECR | Privacy and Electronic Communications Regulations |
| PECS | Patient Electronic Care System |
| PECVD | Plasma Enhanced Chemical Vapor Deposition |
| PED | Passion Electric Dirt |
| PED | Portable Electronic Device |
| PED | Portable Electronic Devices |
| PEDES | Power Electronics Drives and Energy Systems |
| PEDS | Plasma-Enhanced Deposition System |
| PEECC | PACKAGED ELECTRICAL AND ELECTRONIC CONTROL CENTER |
| PEECC | Packaged Electronic Electrical Control Compartment |