GB 31247-2014 Classification for burning behavior of electric and optical cables

GB 8624-2012 Classification for burning behavior of building materials and products GB/T 31248-2014 Test methods for the measurement of flame spread, heat release and smoke production on electric or optical fibre cables under fire conditions GB/T 14402-1993 Test method of heat of combustion for building materials GB/T 14402-2007 Reaction to fire tests for building materials and products—Determination of the heat of combustion 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 17650.2-2021 Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 2:Determination of acidity (by pH measurement) and conductivity GB/T 17651.2-1998 Measurement of smoke density of 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 GB/T 18380.12-2008 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 GB/T 18380.12-2022 Tests 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 GB/T 20285-2006 Toxic classification of fire effluents hazard for materials GB/T 14402-2026 Reaction to fire tests for building materials and products—Determination of the heat of combustion