| Acronym | Sense | Language | Topics |
|---|---|---|---|
| NEC | Nederlands Elektrotechnisch Comité | In Dutch | → Organizations and associations → Electrical engineering → Netherlands |
| NEC | National Electrical Code | In English | → Electrical engineering |
| NEC | Nijmegen Eendracht Combinatie | In Dutch | → Organizations and associations → Football and rugby |
| NEC | Nieuw Eindse Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises |
| NEC | North Equatorial Current | In English | → Meteorology, climatology |
| NEC | Nippon Electric Company (www.nec.com) | In English | → Electrical engineering → Electronics → Computer hardware → Japan |