Translations:Conductor size/4/en

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The two most common standards for conductor size are American Wire Gauge (AWG) and mm². These two systems are not directly equivalent. The table below shows conductor sizes in AWG and mm² with the ampacity (maximum current) rating of depending upon its temperature rating of the conductor in °C. This chart assumes that there are are 1-3 copper conductors in conduit with a 30°C ambient temperature.[1] These values must be adjusted for the actual conditions of use of the conductor.

  1. NFPA 70 - National Electrical Code 2020: Table 310.15(B)(16)