Ring Main

Dec 10, 2003 2 Replies
G

I am studying at the moment to become an electrician,but there is something that i would like to know now.



I believe that you can have as many sockets on a ring main circuit as you want,as long as you don't exceed 100sq meters of floor space.I have been told that you cannot exceed 60 meters of cable.Is this so ?



Thanks in advance Gary Moore


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H

I'm not suggesting this is the case, but perhaps the 60 meters might be a rule of thumb for limiting voltage drop on a fully loaded ring main. Try a worst case permisable voltage drop calculation at 60 meters for

2x 2.5mm.
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