GB/T 3956-1997
Replaced
GB/T 17651.2-2021
Active
National standards
GB/T 17651.2-2021 Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 2:Test procedure and requirements
GB/T 17651.2-2021 Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 2:Test procedure and requirements
Price:
$ 66
Basic Information
Standard Code:
GB/T 17651.2-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cables and their accessories
ICS Name:
Comprehensive overview of wires and cables
Publish Date:
2021-04-30
Implement Date:
2021-11-01
Pages:
15 pages
Scope
This document describes the test procedure used to determine the smoke density released by cables or optical cables when they are burned under specific conditions, and provides a detailed introduction to the preparation, assembly, and burning methods of the tested cable or optical cable samples. It also recommends requirements for evaluating the test results.
Development Information
Same series standard
Replace the following standards
Referenced Standards
IEC 60695-4
IEC 60811-203
IEC 61034-1
ISO/IEC 13943:2000
Adopt standards
IEC 61034-2:2019
Related Standards
GB/T 17650.1-1998
Replaced
GB/T 17650.1-1998 Test on gases evolved during combustion of materials from cables Part 1:Determination of the amount of halogen acid gas
GB/T 17650.2-1998
Replaced
GB/T 17650.2-1998 Test on gases evolved during combustion of materials from cables Part 2:Determination of degree of acidity of gases by measuring pH and conductivity
GB/T 17651.1-1998
Replaced
GB/T 17651.1-1998 Measurement of smoke density of cables burning under defined conditions Part 1:Test apparatus
GB/T 17651.2-1998
Replaced
GB/T 17651.2-1998 Measurement of smoke density of cables burning under defined conditions Part 2:Test procedure and requirements
GB/T 4074.1-1999
Replaced