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TN-S with and without Neutral conductors

Nick Parker

Hello everyone,

What are the advantages/disadvantages of using TN-S system with and without Neutral conductors?. Where does it find its application?

ef55b21f1eb9a73bb3f7e8e85eaf7368-huge-tns_without-neutral.png
Without Neutral
387a1fc1393546c05a30da338234ce61-huge-tns_with-neutral.png
With Neutral
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    Dinesh Kodiyattu Parameswaran Pillai: 
     

    It is not that the neutral is omitted.. in first case Neutral is combined with protective earth 

    That would be TN-C (or the TN-C part of the system where an installation earthing arrangement is TN-C-S) and not TN-S?

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    Dinesh Kodiyattu Parameswaran Pillai: 
     

    It is not that the neutral is omitted.. in first case Neutral is combined with protective earth 

    That would be TN-C (or the TN-C part of the system where an installation earthing arrangement is TN-C-S) and not TN-S?

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