Nec

Initialism of not elsewhere

, used in

such as Standard Industrial Classification, International Standard Classification of Occupations, DSM-IV-TR, DSM-5, ICD-9, and ICD-10.

Initialism of near-Earth comet.

Initialism of w:National Exhibition Centre, the

in the United Kingdom.

Initialism of w:National Executive Committee, a

body of a political party.

Initialism of Nippon Electric Company, Ltd. (renamed to NEC in 1983.)

Initialism of w:National Electrical Code.