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ISO 6722 Automative Cables Code Designation
Type Class A : -40°C to 85 °C
Type Class B : -40°C to 100 °C
Type Class B : -40°C to 125 °C
Type Class D : -40°C to 150 °C
Type Class E : -40°C to 175 °C
Type Class F : -40°C to 200 °C
Type Class G : -40°C to 225 °C
Type Class H : -40°C to 250 °C
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Source : ISO 6722 Automative Cables Code Designation (https://archive.org/details/gov.in.is.iso.6722.2011/page/n17/mode/2up)