| Abbreviation | Definition |
|---|---|
| NDT | Non-Destructive Testing |
| NDUV | Non-Dispersive Ultra-Violet spectroscopy |
| NDYLF | Neodymium: Yttrium Lithium Fluoride (laser) |
| NE | Number of Elements |
| NEA | National Electronic Attachment |
| NEAP | National Electrical Annuity Plan |
| NEAR | National Electronic Article Repository |
| NEAT | National Electronic Autocoding Technique |
| NEBA | National Electronic Billers Alliance |
| NEC | National Electric Code |
| NEC | National Electrical Committee |
| NEC | Nippon Electric Co |
| NECA | National Electrical and Communications Association |
| NECA | National Electrical Contractors Association |
| NECS | National Electronic Clearing Service |
| NEDA | National Electronics Distributors Association |
| NEDL | Northern Electric Distribution Limited |
| NEEACT | Naval Electronics Engineering Activity |
| NEED | New England Electric Dance |
| NEEDS | New Era Electronic Devices and Systems |