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Isolation requested

Former Community Member
Former Community Member
Good morning All, 


I need to understand something. 

I know the regulation request the isolation as requested for each electrical installations. 

In the scenario where I have the distribution board close to all the electrical equipment (same room)

and each line is separated and protected by their own MCB.

Do I need to install the isolator too? 

I can isolate every circuit directly from the DB?

Thank you and have a nice day
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  • 0
    Don't forget, in accordance with BS 7671, isolators for LV systems must disconnect ALL poles (including Neutral), unless the supply is a TN system (TN-S or TN-C-S) in which isolation of the Neutral is not always required.
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  • 0
    Don't forget, in accordance with BS 7671, isolators for LV systems must disconnect ALL poles (including Neutral), unless the supply is a TN system (TN-S or TN-C-S) in which isolation of the Neutral is not always required.
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