Earthing Cable Size

Calculate the size of earthing conductor between earth pit & 2000 KVA generator.

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Earth Grounding Conductor (EGC) size should not be less than 25 percent of the capacity of the phase conductors or the over-current device.
For rating or setting of automatic overcurrent device not exceed 2000 amperes,
the size for copper conductor is 250 awg
the size for aluminium or copper clad aluminium conductor is 400 awg

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