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IEC 60287-3-1:1995 ed1.0

Заменен
Electric cables - Calculation of the current rating - Part 3: Sections on operating conditions - Section 1: Reference operating conditions and selection of cable type — 35 стр.
Is applicable to the conditions of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air. This section concerns reference operatings and selection of cable type.
ICS
29.060.20 Cables / Кабели