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ring main

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
ring main
n
(Engineering / Electrical Engineering) a domestic electrical supply in which outlet sockets are connected to the mains supply through a ring circuit


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As part of the agreement with CPECC, ABB will supply a range of electrical equipment, including 33kV gas-insulated switchgear, ring main units, capacitor banks and resistors.
Destined to form the backbone of the 11kV distribution system providing power to much of the prestigious Pearl residential and leisure development in Qatar, the equipment will be installed in over 25 separate substations that make up a ring main system on the development's main island.
Best of all we are considered daft enough to believe the secret of sustainable sustenance lies in the domestic ring main.
 
 
 
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