View the thread, titled "Do you have to protect submain if wired in SWA?" which is posted in Australia on Electricians Forums.

R

rosewood

Hi Guys,
Sorry title should have been 'do you have to protect a submain with an rcd if wired in SWA?'

Please excuse me if this has already been asked but i cant find a straight answer to question...

I need to change a fuseboard for a split load board (2x 30ma 63amp RCD's). off this board there will be a sub main to a garage split load board which feeds some stables and a barn etc.

The board i have to change is already got 3x32a circuits and 4x6a circuits (re-wireable fuses). If i change it to a new 17th board where the main RCD's are 63amp can i still put a 63amp mcb on this board (protecting 16mm SWA to garage buried 600mm)?

Thanks
 
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Reply to the thread, titled "Do you have to protect submain if wired in SWA?" which is posted in Australia on Electricians Forums.

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