ring main


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ring main

n
(Electrical Engineering) a domestic electrical supply in which outlet sockets are connected to the mains supply through a ring circuit
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UKPRwire, Thu May 04 2017] The report "Ring Main Unit Market by Type (Gas Insulated, Air Insulated, Oil Insulated, & Solid Dielectric Insulated), by Application (Distribution Utilities, Industries, and Infrastructure & Transportation), & by Region - Global Trends & Forecasts to 2020" , defines and segments the global ring main unit market with an analysis and forecast of the market size.
These factors will be used to determine the type of system, for example, a ring main, a combination of ring mains with sub headers, or a simple single line system.
USPRwire, Sun Feb 07 2016] Ring Main Unit Market by Type (Gas Insulated, Air Insulated, Oil Insulated, & Solid Dielectric Insulated), by Application (Distribution Utilities, Industries, and Infrastructure & Transportation), & by Region - Global Trends & Forecasts to 2020
If during the hydro-testing of the ring main a pipe joint fails, QP will get the failed joint repaired.
WHAT A DIFFERENCE A DAY MAKES 'It's been a funny 24 hours' A rather understated Tom Scudamore, who was lucky to survive a nasty tumble at Taunton on Wednesday before booting home a treble aboard Weekend Millionair, Rash Moment and Roi De Rose at Ffos Las IT COULD BE WORSE Although the ground was on the quick side at Newcastle it could have been worse as the track's ring main, which runs around the centre of the track and feeds the watering system, broke down.
ABB will supply electrical switch rooms, switchgear, cables, power transformers and ring main units, as well as various components including SCADA (supervisory control and data acquisition) and protection and communication equipment compliant with the IEC 61850 global standard.
I've fitted a 240 volt ring main, so I've enough light to do my wood engraving in it.
The contract covers ABB's 24-kV SafeRing ring main units (RMUs) for the upgrade of ESB's secondary distribution network.
Robert Llewellyn takes a look at the Thames Water Ring Main, an engineering marvel that keeps millions of homes supplied with fresh tap water.
As well as achieving the 5_S/cm conductivity already mentioned, it was also important for the system to limit bacteria levels in the product water to around 10 cfu/ml, in order to avoid problems with bacterial build up in the ring main.