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Do-It-Yourself (DIY) Question & Answer Forum
economy 7
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<blockquote data-quote="a1spark" data-source="post: 70861" data-attributes="member: 2229"><p>You can use the existing Earth conductor from the Rod providing everything is in order in its installation and effectivness etc. The C.U. end of the cable should be terminated in a standard MET connection strip unit and seperate Earth conductors taken from here to the existing and the new C.U. The Ze should be taken at your new E7 C.U it will be termed Zdb and you will enter it on your EIC.Do the trip times at the RCd..or if your preference is at the D.P switch simply go across its terminals...Hope your not installing too many heaters cos sometimes they can cause problems with nuisance tripping the RCd when they all switch on together from cold.</p></blockquote><p></p>
[QUOTE="a1spark, post: 70861, member: 2229"] You can use the existing Earth conductor from the Rod providing everything is in order in its installation and effectivness etc. The C.U. end of the cable should be terminated in a standard MET connection strip unit and seperate Earth conductors taken from here to the existing and the new C.U. The Ze should be taken at your new E7 C.U it will be termed Zdb and you will enter it on your EIC.Do the trip times at the RCd..or if your preference is at the D.P switch simply go across its terminals...Hope your not installing too many heaters cos sometimes they can cause problems with nuisance tripping the RCd when they all switch on together from cold. [/QUOTE]
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