Discuss TT system - Reg 411.5.1 in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

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Just looking at the second part of this reg with the statement " The neutral point or the midpoint of the power supply system shall be earthed. If the neutral point or midpoint is not available or not accessible, a line conductor shall be earthed"
My question is... I assume they are talking about the connection at the transformer sub station and if so why did they feel the need to add this, as I haven't seen it there before now?
 
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