Definitions
from The Century Dictionary.
- noun A main-pipe in which the two ends are brought around and connected together into a ring or closed loop, so that any two points on the line of pipe may have direct connection with each other by two independent routes which occupy a different part of the closed loop.
Etymologies
Sorry, no etymologies found.
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Examples
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Should we aim to build a "ring-main" grid around each atoll to connect the islets (via a subsea electrical cable)?
New Statesman Mark Lynas 2010
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Should we aim to build a "ring-main" grid around each atoll to connect the islets (via a subsea electrical cable)?
New Statesman Mark Lynas 2010
-
Should we aim to build a "ring-main" grid around each atoll to connect the islets (via a subsea electrical cable)?
New Statesman Mark Lynas 2010
-
Should we aim to build a "ring-main" grid around each atoll to connect the islets (via a subsea electrical cable)?
New Statesman Mark Lynas 2010
-
Should we aim to build a "ring-main" grid around each atoll to connect the islets (via a subsea electrical cable)?
New Statesman Mark Lynas 2010
-
Should we aim to build a "ring-main" grid around each atoll to connect the islets (via a subsea electrical cable)?
New Statesman Mark Lynas 2010
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With electrical labour becoming pan-European, non-UK electricians may be unfamiliar with the ring-main concept and may not fully appreciate the need for more rigorous testing before the issue of the Installation Certificate, potentially putting the householder as well as themselves at greater risk.
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