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ring main
(redirected from ring mains)

   Also found in: Encyclopedia 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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The work has taken longer than expected because Transco is in the process of providing new ring mains throughout the city and it was sensible to do that at the same time.
Typical applications for PE twin pump controllers include tank filling and emptying, fuel transfer systems and booster sets and pressure or flow control of pumps on ring mains.
Only the two extra ring mains needed to run a vast constellation of fairy lights and moving figures had to be installed by an electrician.
 
 
 
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