K
kanewesley
Lighting cct - shared neutral
Whats the best way of making good this lighting problem?
In a dist. board, there are 3 x separate fuses feeding 3 x separate lighting circuits. However, the 3 circuits share the same neutral back to the distribution board.
A notice has been given to put this right.
It's impracticable to run out 3separate neutrals as they are quite a way across the factory site.
Lord knows why the test and inspection company haven't picked up on this before as the wiring has been like this for 25 years or more.
A suggestion from the electrical tester is to take all 3 lighting circuits, from the individual fuses, through a triple MCB then out to their respective circuits??
How will this correct the problem?
is it so the MCB will be out of balance if one circuit fails? or to work on any one of the circuits, the MCB has to be locked off so all 3 circuits are dead?
Thanks
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Whats the best way of making good this lighting problem?
In a dist. board, there are 3 x separate fuses feeding 3 x separate lighting circuits. However, the 3 circuits share the same neutral back to the distribution board.
A notice has been given to put this right.
It's impracticable to run out 3separate neutrals as they are quite a way across the factory site.
Lord knows why the test and inspection company haven't picked up on this before as the wiring has been like this for 25 years or more.
A suggestion from the electrical tester is to take all 3 lighting circuits, from the individual fuses, through a triple MCB then out to their respective circuits??
How will this correct the problem?
is it so the MCB will be out of balance if one circuit fails? or to work on any one of the circuits, the MCB has to be locked off so all 3 circuits are dead?
Thanks
Lighting cct - shared neutral to Continue reading...
ElectriciansForums.net for the latest in electricians' jobs, news, advice and more