ring main


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ring main

a domestic electrical supply in which outlet sockets are connected to the mains supply through a ring circuit
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The good news is that the ring main is shortly to be renewed.
In a single floor-standing enclosure just 1820 X 730 X 890mm, this combines the reverse osmosis membrane with a 350 litre reservoir, a recirculation pump for distribution of water around the ring main, a 0.
London's water supply is particularly vulnerable to a terrorist attack as it is fed from a single pipe - the 50-mile-long Thames Water ring main which circles the capital.
The company is aiming to spend 1 billion euro on the project, the so-called Ring Main gas line.
John Guest's Push In Air Ring Main System was recently acquired by Teknequip as part of a factory infrastructure rebuilding programme which had to be done with a minimum of delay.
TECO Westinghouse supplied a 2,000 kVA ONAN 11 kV to 690 V stepdown/phase shift transformer with integral primary ring main unit, and secondary MCCBs, 12 pulse variable speed Optim drives rated at 450 kW and 1,000 kW, and six pole 690 V cage induction motors with inverter-rated insulation systems.
The recently unveiled Landmark Tower at Holland Park marks the completion of the new London ring main.
Lucy Switchgear, a leader in medium voltage, secondary power distribution solutions, has unveiled the next generation of its Aegis Ring Main Unit range.
Cammy's shed in Glasgow is used for bike storage and as a workshop, with 240v power for ring main and lighting.
The company has now started on the second phase of the scheme, due for completion in the new year, which involves installing a new gas and water ring main, including all necessary excavations and reinstatement, together with new connections to key buildings.
Medium Voltage segment will include Circuit Breakers, Ring main units, Contactors, and Other switchgear, which covers basic medium-voltage load break and disconnector switches.