IEC 60417C:1977

Third supplement.

Earth, clean (noiseless) earth, protective earth, frame or chassis, equipotentiality, omnidirectional microphone, bidirectional microphone, unidirectional or cardioid microphone, hydrophone, underwater sound projector, reversible transducer for underwater sound, transformer, clock; time switch; timer, Morse key; electric shaver outlet.

OEN:

IEC

Langue:

English

Code(s) de l'ICS:

01.080.10

Statut:

Révisé

Date de Publication:

1976-12-31

Numéro Standard:

IEC 60417C:1977