Monday, February 4, 2013

600/1000V Cables Current Carrying Capacity


Cable size versus ampere table.
The above table value is based on the following condition:
Laying in conduit or air:
            Ambient Temperature: 30 C
            Load Factor              : 1.0

Laying in soil:
            Ambient Temperature: 20 C
            Load Factor              : 0.7
            Thermal resistivity of the soil: 1 k.m/W
            Depth of laying          : 70cm
            Flat formation clearance: 7 cm

               

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