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Electrical Inspection & Testing Forum
Does a DNO 30mA RCD Isolator satisfy 411.4.204 (411.3.2.2)
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<blockquote data-quote="jbingham" data-source="post: 510327" data-attributes="member: 2640"><p>Its definitely TN-S. The RCD is of some age/has been in use for many years. Hopefully it will pass on Zs readings/ADS, but iam asking the question just in case it doesnt. I remember when I did my 2391 many years ago, we were taught to replace the MCB for a rcbo when you couldn't meet Zs, however as I explained I can't do that on this occasion. Thanks</p></blockquote><p></p>
[QUOTE="jbingham, post: 510327, member: 2640"] Its definitely TN-S. The RCD is of some age/has been in use for many years. Hopefully it will pass on Zs readings/ADS, but iam asking the question just in case it doesnt. I remember when I did my 2391 many years ago, we were taught to replace the MCB for a rcbo when you couldn't meet Zs, however as I explained I can't do that on this occasion. Thanks [/QUOTE]
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Does a DNO 30mA RCD Isolator satisfy 411.4.204 (411.3.2.2)
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