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Do-It-Yourself (DIY) Question & Answer Forum
hi,this is my first post.
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<blockquote data-quote="a1spark" data-source="post: 73630" data-attributes="member: 2229"><p>Welcome wayne .</p><p></p><p>Max Zs data to be entered is full 100% figure , in your example 1.44 ohms NOT the 80% figure of 1.15 ohms.</p><p></p><p>Always Test RCBO [or RCD} at the consumer unit and OFF Load, you are testing the operating characteristics of the device,..... testing in circuit can introduce errors.</p><p></p><p>When changing fom an mcb to a RCBO you are changing the design of the circuit and unless you have documented evidence [ unlikely ] that the overload functional characteristics of the RCBO are identical to those of the mcb being swapped, then it has to be an E.I.C.</p></blockquote><p></p>
[QUOTE="a1spark, post: 73630, member: 2229"] Welcome wayne . Max Zs data to be entered is full 100% figure , in your example 1.44 ohms NOT the 80% figure of 1.15 ohms. Always Test RCBO [or RCD} at the consumer unit and OFF Load, you are testing the operating characteristics of the device,..... testing in circuit can introduce errors. When changing fom an mcb to a RCBO you are changing the design of the circuit and unless you have documented evidence [ unlikely ] that the overload functional characteristics of the RCBO are identical to those of the mcb being swapped, then it has to be an E.I.C. [/QUOTE]
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Do-It-Yourself (DIY) Question & Answer Forum
hi,this is my first post.
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