Just a note...most of the "common property electrics" i have worked on ...which are normally classified as general lighting and power...are fed from a single phase meter to a small single phase DB.
However in this day and age...when you start talking about estates...which have roads...street lighting ...a bulk supply feeding meter kiosks...then we are talking about a whole different ball game...we just need to understand the difference between a simplex/duplex which were very common and are still today and estates which much larger.
You just need to determine if the point of control as mentioned by GCE.
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