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IEC 60228

Conductors of insulated cables

Classes of copper and aluminium conductors and their maximum DC resistance at 20 °C — the basis for voltage drop and loss calculations.

What it covers

  • Conductor classes 1, 2, 5, 6
  • Maximum DC resistance at 20 °C
  • Nominal cross-sections

Used in ElecCalcPro

Related standards

IEC 60364-5-52TIS 11-2553

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