1 Scope
This standard specifies details of the test procedure to be employed for the measurement of the density of smoke emitted from cables burning under defined conditions. It describes the means of preparing and assembling cables for test, the method of burning the cables, and gives recommended requirements for evaluating test results.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T 5169.1-1997 Fire Hazard Testing for Electric and Electronic Products — Part 4: Terminology Concerning Fire Tests (idt IEC 60695-4:1993)
GB/T 17651.1-1998 Measurement of Smoke Density of Cables Burning under Defined Conditions — Part 1: Test Apparatus
3 Definitions
For the purposes of this document, the terms and definitions given in GB/T 5169.1 apply.
4 Test Apparatus
The test procedure defined in this standard shall be carried out using the test apparatus, i.e. test enclosure, photometric system and standard fire source, given in GB/T 17651.1.
5 Test Assembly
1 Scope
2 Normative References
3 Definitions
5 Test Assembly
6 Test Procedure
7 Evaluation of Test Results
8 Retest Procedure
