GB/T 19216.21 Circuit integrity for cables – Standard
GB/T 19216.21 Tests for electric cables under fire conditions--Circuit integrity--Part 21: Procedures and requirements--Cables of rated voltage up to and including 0.6/1.0kV
GB/T19216.23 Tests for electric cables under fire conditions--Circuit integrity--Part 23:Procedures and requirements--Electric data cables
GB/T 19216.31 Tests for electric or optical fibre cables under fire conditions.Circuit integrity.Part 31:Procedures and requirements for fire with shock.Cables of rated voltage up to and including 0.6/1kV
GB/T 19216.21 Circuit integrity for cables – Reference Standard
IEC 60331-21 Tests for electric cables under fire conditions-Circuit integrity-Part 21: Procedures and requirements-Cable of rated voltage up to and including 0.6/1.0 KV
IEC 60331-23 Tests for electric cables under fire conditions--Circuit integrity--Part 23:Procedures and requirements--Electric data cables.
IEC 60331-31 Tests for electric cables under fire conditions. Circuit integrity. Part 31. Procedures and requirements for fire with shock. Cables of rated voltage up to and including 0,6/1,0 Kv