Main earth bond commercial.. | on ElectriciansForums

Discuss Main earth bond commercial.. in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

bigspark17

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DnoSupply is
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three phase 4core

what should the main earth bond size cable be.? Which part of regs will point me in right direction?
Thanks
 
Sorry do appologise just read my post.. I can get my main earth size from adiabatic table.. My question was for main equapotential bond to water incomer.?
 

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