ICEA S-76-474-2020适用于挤压绝缘载流相导体和裸或有盖中性电导体组件的材料、结构和测试，这些导体用作悬挂在支撑结构上的耐候电线和电缆，用于架空配电。

ICEA S-76-474-2020 applies to the materials, constructions, and testing of assemblies of extruded dielectric insulated electric current carrying phase conductors and bare or covered neutral electrical conductors used as weather-resistant wires and cables suspended from supporting structures for the overhead distribution of electrical energy.