GB/T 3048.2-2007#Test methods for electrical properties of wires and cables - Part 2: Electrical resistivity test for metallic materials - Aluminum clad steel wire - DC resistivity at 20 ℃
GB/T 3955-2009#Electrical round aluminum wire # Electrical round aluminum wire # 20 ℃ DC resistivity
GB/T 3048.4-2007#Test methods for electrical performance of wires and cables - Part 4: Conductor DC resistance test # Electrical round aluminum wire # 20 ℃ DC resistance test
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