IEC 60754 Test on gases evolved during combustion of insulated wires and cables

Large amount of corrosive and toxic gases, resulted through the combustion of thermoplastic cables of e.

g. PVC, PE, etc. cause considerable damages for persons (respiratory tract, poisoning) and at material assets. Additional corrosive acids resulted by fire extinguish water, will also cause large damages. The caused costs by the corrosiveness of combustion gas are often higher than the costs from primary fire damage.

IEC 60754-1

This part of IEC 60754 discribes a method for the determination of the amount of halogen acid gas, evolved during the combustion of materials from insulated wire and cables. Halogenated acids contain the elements from the VII. maingroup of periodic system as fluorine, chlorine, bromine, jodine and astat. For materials containing less than 5 mg/g or 0.5 % halogenated acid, it is recommended to use the test method specified in IEC 60754-2.

IEC 60754-2

This part of IEC 60754 discribes a method for the determination of the degree of acidity of gases, evolved during the combustion of materials from insulated wires and cables. The determination of small amount is measured by pH and the conductivity of the distilled or demineralized water solution.

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