Qualification level Old standard New standard
Environmentally-qualified IEEE Std 323-1974 IEEE Std 323-2003
(Revision of IEEE Std 323-1983)
Seismic IEEE Std 344-1975 IEEE Std 344-2004
(Revision of IEEE Std 1987)
Safety-related IEEE Std 382 (ANSI N278.2.1, IEEE Std 382-2006 (Revision of IEEE
Draft 3, Rev 0, February 1977) Std 382-1985 and IEEE Std 382-1996)