GB/T 3048.4-2007
AbolishedTest methods for electrical properties of electric cables and wires - Part 4: Test of DC resistance of conductors
电线电缆电性能试验方法 第4部分：导体直流电阻试验
Application Summary AI generated
This standard specifies the test method for measuring the DC resistance of conductors in electric cables and wires. It is applied in the manufacturing and quality inspection of power cables, control cables, and communication cables to verify conductor material purity, cross-sectional area, and compliance with electrical performance requirements. The test is critical for ensuring minimal energy loss and safe current-carrying capacity in electrical installations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.