Discuss Grouping factors in the Electrical Forum area at ElectriciansForums.net

J

Julie.

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The OP did not say it if feeding just one socket so worst-case it is both end legs coming from the DB in the conduit.

The 20/12 split as you say is the worst-case RFC design case but not fault case!
The worse case isn't there, that could have 20/12 or 16/16 or whatever.

The worse section is where the 20A leg goes down the wall to an unused socket, then back up the same way to the next circuit etc.

In reality I think rfc's tend to be more balanced than 20/12 and even then unlikely to be at 32A total in any case
 
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J

Julie.

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It says number of circuits or multi core cables to be more accurate.
I have taken this as 2 cables as a ring Final is one circuit.
I take it in relation to that table:
single core cables - be it a line and neutral, or three lines (+n) is considered a single circuit.

Twin and earth would be a multicore cable

Not the eventual use of the cable.
 
Ian1981

Ian1981

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I take it in relation to that table:
single core cables - be it a line and neutral, or three lines (+n) is considered a single circuit.

Twin and earth would be a multicore cable

Not the eventual use of the cable.
That is a Fair point
 
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