Specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltage up to and including 0,6/1,0 kV required to maintain circuit integrity when subjected to fire under specified conditions. Describes the means of sample preparation, continuity checking arrangements, electrical testing procedure, method of burning the cables and gives requirements for evaluating test results. Is intended to cover low voltage power cables, and control cables with a rated voltage.
Số hiệu tiêu chuẩn
SANS 60331-21:1999*SABS IEC 60331-21:1999
Tên tiêu chuẩn
Tests for electric cables under fire conditions - Circuit integrity Part 21: Procedures and requirements - Cables of rated voltage up to and including 0,6/1,0 kV
Ngày phát hành
2001-10-26
Tiêu chuẩn tương đương
IEC 60331-21 1999 IDT
Tiêu chuẩn liên quan
IEC 60269-3-1 * IEC 60331-11 * IEC GUIDE 104
Từ khóa
CIRCUITS * ELECTRIC CABLES * ELECTRICAL ENGINEERING * FIRE RESISTANCE * FLAMMABILITY * Cords * Electrical engineering * Circuits * Electric cables * Conduits * Pipelines * Fire resistance * Flammability
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