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RCBO Ratings
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<blockquote data-quote="binky" data-source="post: 521947" data-attributes="member: 490"><p>I think it was changed to reflect increasing use of RCBOs in boards/ requirement for 2 RCDs minimum. Need to be 2 pole for the incoming board as they must isolate neutral and line. Apart from improving reliability of the system overall, what I am also tinking is that it makes fault finding much easier, not just for the current issue, but for any future issues that may occur. As this current issue only occurs in specific weather conditions, it maybe rather hard to trace a fault even iwth earth leakge testing as any testing needs to occur when the conditions are just right.</p></blockquote><p></p>
[QUOTE="binky, post: 521947, member: 490"] I think it was changed to reflect increasing use of RCBOs in boards/ requirement for 2 RCDs minimum. Need to be 2 pole for the incoming board as they must isolate neutral and line. Apart from improving reliability of the system overall, what I am also tinking is that it makes fault finding much easier, not just for the current issue, but for any future issues that may occur. As this current issue only occurs in specific weather conditions, it maybe rather hard to trace a fault even iwth earth leakge testing as any testing needs to occur when the conditions are just right. [/QUOTE]
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