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dave-gardiner
how can i improve my Zs values at several distribution boards on 3 phase industrial site. tncs.
Discuss Zs value in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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nick611
run in new earth wires to mains boards this will lower r1+r2 of sub mains and so zs of final circuits
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dave-gardiner
larger earths?
Reply to Zs value in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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