XPost: uk.tech.broadcast, uk.tech.digital-tv, uk.rec.audio   
   XPost: sci.electronics.repair   
   From: dave@davenoise.co.uk   
      
   In article ,   
      J. P. Gilliver (John)  wrote:   
   > >Why do you find ring mains odd? Once you have daisy chained all the   
   > >sockets it is an extremely sensible idea to complete the loop back to   
      
   > If you happen to have laid them out in a ring manner anyway, yes.   
      
   Why wouldn't you? There are less runs back to the CU than doing the same   
   with radials, so surely not too difficult to design?   
      
   > >the distribution board. For the cost of a few feet of cable, you have   
   > >halved both the effective resistance of the mains and the distance to   
   > >the furthest socket. I can't imagine a single reason not to do it.   
   > >   
   > >d   
      
   > I can see the halving of the resistance (well, at the most remote point   
   > anyway), but not the halving of the distance.   
      
   > I think maintenance (I mean when modifying, not just general wear and   
   > tear): most extras added to ring mains are spurs. (Also, instinctively,   
   > it's easier to know when one is isolated with a spur, though that   
   > shouldn't be done that way.)   
      
   You are allowed to add spurs within the regs, but why is it so much more   
   difficult to simply add a socket properly to the ring?   
      
   --   
   *Certain frogs can be frozen solid, then thawed, and survive *   
      
       Dave Plowman        dave@davenoise.co.uk           London SW   
                     To e-mail, change noise into sound.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)