Specifies requirements for extra heavy duty rigid steel conduits for electrical installations, and for threads for these conduits and fittings. Covers also dimensions, zinc coating, threading and chamfering, couplings, elbows and nipples, ductility and marking as well as the test for thickness of zinc coating on these conduits in an annex.
Số hiệu tiêu chuẩn
IEC 60981*CEI 60981
Tên tiêu chuẩn
Extra-heavy duty rigid steel conduits for electrical installations
Ngày phát hành
1989-07-00
Tiêu chuẩn tương đương
GB/T 17193 (1997), IDT
Từ khóa
Coatings * Conduits * Definitions * Dimensions * Electric conduits * Electrical engineering * Electrical installations * Heavy-duty * Marking * Pipes * Rigid pipes * Specification (approval) * Steel pipes * Steels * Steel tubes