| Abbreviation | Definition |
|---|---|
| LEW | Licensed Electrical Work |
| LEW | Licensed Electrical Worker |
| LF | Laminar Flow |
| LFA | Low Frequency Attenuation |
| LFAC | Large Format Analog Console |
| LFAE | Low Frequency Acoustic Energy |
| LFAO | Low Frequency Auxiliary Oscillator |
| LFB | Low Frequency Bypass |
| LFBGA | Lead-Free Ball Grid Array |
| LFC | Low Frequency Connection |
| LFD | Low Fuzzy Distortion |
| LFE | Low Frequency Effect |
| LFEG | Liquid Film Electric Generator |
| LFF | Low Frequency Filter |
| LFI | Low Frequency Interference |
| LFL | Lower Flammability Limit |
| LFM | Low Frequency Module |
| LFO | Low Frequency Oscillator |
| LFP | Link Failure Pass |
| LFP | Lithium Ferro-Phosphate |