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100mA RCDs TT system

Nikkid
Afternoon all,

What is the stance on using 100mA RCDs for TT systems now?

I was under the impression that they are no longer required as long as all circuits were protected by a 30mA RCD within the consumer unit (which in this case they will be).

Just looking for some clarity. 


Thanks! 

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  • 0
    As our poster knows, I am talking about an all steel box, but let's not let the facts get in the way of a good topic.

    Regards, UKPN
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  • 0
    As our poster knows, I am talking about an all steel box, but let's not let the facts get in the way of a good topic.

    Regards, UKPN
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