Revidiran
Specifies requirements for EHDRS (Extra Heavy Duty Rigid Steel) conduits for electrical installation, and for threads for these conduits and fittings,
POVUČEN
IEC 60981:1989 ED1
99.60
Povlačenje stupilo na snagu
24. 5. 2004.
POVUČEN
IEC 60981:2004 ED2