Iskani niz je bil najden v PREVODIH:
Arbeitserder
en maintenance earthing switch, work in progress earthing switch
Arbeitskontakt
en A-contact, N. O. contact, N/0 contact, NO contact, NO switch, back contact, contact open normally, front contact, main contact, make contact element, make contact, make function contact, normal open contact, normally open contact, normally open, off normal contact, off-normal contact, open circuit contact, operating contact, positive contact, working contact