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I assume this question refers to electrical installations in buildings.
In which case, the answer is no. The ring main is unique to the UK and to some countries that have adopted the British wiring regulations. Elsewhere, such as in North America and Europe, ring mains are unknown in domestic installations.
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∙ 13y ago
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How do you Extend a ring main?
What is a ring main?
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all eyes on me in the center of the ring just like a circus all eyes on me in the center of the ring just like a circus
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The Mab Ring.
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What is a medium voltage ring main?
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how are devices connected to a domestic ring main
What do you mean by packages?
Prefabricated power distribution substation Its basically a whole 11kv substation but in one unit. It contains a transformer, ring main unit, fuse board and circuit breakers etc. It still uses as much space as a normal substation that houses a separate transformer, ring main unit etc but is easier to transport and is probably cheaper.
Can all receptacles in a bedroom be on the same circuit?
yesAnswer for UK SystemThe answer is yes, as all the outlets will be supplied from the same ring main.
What is meaning ring main unit RMU and application?
A ring-main unit is a piece of switchgear used on high-voltage distribution ring-main systems (e.g. in the UK at 11 kV). Essentially, it's three switches incorporated into one device used to connect a transformer to a high-voltage ring main. It allows the transformer to be connected/disconnected to the ring main and it also allows the ring main to be 'broken'. Each of the switches has three positions: open, closed, or earthed (grounded); the earth position allows the transformer or either (or both) halves of the ring main to be earthed when maintenance is required.
What acronym is the hub in a token ring network which houses the actual ring is also known by what acronym?
MAU - Multistation Access Unit
