NEMA - National Electrical Manufacturers Association
Latest
NEMA WC 6-1975
Scope
Purpose of Standards National Electrical Manufacturers Association Standards are adopted in the public interest and are designed to eliminate misunderstandings between the manufacturer and the purchaser and to assist the purchaser in selecting and obtaining the proper product for its particular need. Existence of a National Electrical Manufacturers Association Standard does not in any respect preclude any member or nonmember from manufacturing or selling products not conforming to the standard.
NEMA WC 6-1975 history
1975NEMA WC 6-1975 Minimum Drum Diameters of Reels for Cables