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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Tests on electric cables under fire conditions Part 1:Test on a single vertical insulated wire or cable
WITHDRAWN published on 12.7.2001
Selected format:Tests on electric and optical fibre cables under fire conditions—Part 11:Test for vertical flame propagation for a single insulated wire or cable—Apparatus
WITHDRAWN published on 26.6.2008
Selected format:Test on electric and optical fibre cables under fire conditions—Part 12:Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame
WITHDRAWN published on 26.6.2008
Selected format:Tests on electric and optical fibre cables under fire conditions—Part 13:Test for vertical flame propagation for a single insulated wire or cable—Procedure for determination of flaming droplets/particles
WITHDRAWN published on 26.6.2008
Selected format:Tests on electric cables under fire conditions—Part 2:Test on a single small vertical insulated copper wire or cable
WITHDRAWN published on 12.7.2001
Selected format:Tests on electric cables under fire conditions—Part 3:Tests on bunched wires or cables
WITHDRAWN published on 12.7.2001
Selected format:Test on electric and optical fibre cables under fire conditions—Part 31:Test for vertical flame spread of vertically-mounted bunched wires or cables—Apparatus
WITHDRAWN published on 26.6.2008
Selected format:Tests on electric and optical fibre cables under fire conditions—Part 32:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category A F/R
WITHDRAWN published on 26.6.2008
Selected format:Tests on electric and optical fibre cables under fire conditions—Part 33:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category A
WITHDRAWN published on 26.6.2008
Selected format:Tests on electric and optical fibre cables under fire conditions—Part 34:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category B
WITHDRAWN published on 26.6.2008
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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