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Electrical Inspection & Testing Forum
Rfc Lenghth As Per Resistance Value
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<blockquote data-quote="BES" data-source="post: 307446" data-attributes="member: 20428"><p>Tks for replys. The it is a 32a type c rcbo. Ze is 0.31 tncs. dont know why type c. Zs is way bhigh 3.14 but i guessing that due to resistance thro rcbo as i quickly check two other circuits protected by same type rcbos and ive come across this quite a few times either a rcd or rcbo pushing up zs but not to concerned due to being a rcbo ie 1667 and all that. it is a big detached property and the cables within cu are br/bl and at sockets r/bl so it looks like its bein extended when an extention was built.</p></blockquote><p></p>
[QUOTE="BES, post: 307446, member: 20428"] Tks for replys. The it is a 32a type c rcbo. Ze is 0.31 tncs. dont know why type c. Zs is way bhigh 3.14 but i guessing that due to resistance thro rcbo as i quickly check two other circuits protected by same type rcbos and ive come across this quite a few times either a rcd or rcbo pushing up zs but not to concerned due to being a rcbo ie 1667 and all that. it is a big detached property and the cables within cu are br/bl and at sockets r/bl so it looks like its bein extended when an extention was built. [/QUOTE]
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Rfc Lenghth As Per Resistance Value
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