This standard 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
Số hiệu tiêu chuẩn
IEC 60981*CEI 60981
Tên tiêu chuẩn
Extra-heavy duty electrical rigid steel conduits
Ngày phát hành
2004-05-00
Tiêu chuẩn liên quan
IEC 61950 (1997-06)
Từ khóa
Coatings * Conduits * Couplings * Definitions * Dimensions * Elbows * Electric conduits * Electrical engineering * Electrical installations * Fibre optics * Heavy-duty * Marking * Nipples * Nipples (pipes) * Pipes * Rigid pipes * Specification (approval) * Steel pipes * Steels * Steel tubes