| Abbreviation | Definition |
|---|---|
| PL | Power Level |
| PL | Process Lag |
| PL | Process Layout |
| PL | Process Line |
| PL | Prototype Limit |
| PLA | PowerLine Audio |
| PLA | Programmable Logic Array |
| PLC | Planar Lightwave Circuit |
| PLC | Power Line Carrier |
| PLC | Power Line Communications |
| PLC | Programmable Logic Controller |
| PLCC | Plastic Leaded Chip Carrier |
| PLD | Package Level Detail |
| PLD | Programmable Logic Device |
| PLE | Photo Luminescence Excitation |
| PLED | Periodic Lateralized Electrical Discharge |
| PLES | Paul Lewin Electrical Services |
| PLEV | Personal Light Electric Vehicles |
| PLF | Polarization Loss Factor |
| PLIC | Piecewise Linear Interface Calculation |