IEC 60981 Ed. 3.0 en:2019
Extra heavy-duty electrical rigid steel conduits
standard by International Electrotechnical Commission, 08/20/2019
Full Description
ISO 60981 specifies requirements for EHDERS (extra heavy-duty electrical rigid steel) conduits, couplings, nipples and elbows for electrical installations, including communications and fibre optics. This standard also specifies threads for these components. It is not applicable to the conduits specified in IEC 60423.