Ring Main

- G
- gary moore
  
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posted
20 years ago

Wed, Dec 10, 2003 12:10 PM

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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- S
- s
  
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posted
20 years ago

Thu, Dec 11, 2003 10:45 AM

- H
- Harry Bloomfield
  
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posted
20 years ago

Thu, Dec 11, 2003 11:58 PM

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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