On 27/12/2011 15:01, Tim Watts wrote:

No - they fit a 100A cable (or less) up everyone's driveway. That is jointed
in a resin (or older "compound") filled joint box to the cable, which may be
larger that 500A (remember, this is a network cabling system and may
(usually is) fed from at least both ends of the road).

Quite possibly a "ring main" in the proper use of the phrase... ;-)


--
Cheers,

John.

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