An electrical distribution diagram shows a vault designated V-1210 measuring 8 feet by 20 feet by 9 feet 4 inches on a 12kV circuit, housing a future VGS switch and a future straight splice. The V-1210 vault connects via four 4-inch conduits containing #1/0 aluminum EPR triplex conductors spanning a length of 100 feet to a new 75kVA underground residential distribution transformer designated R-1923 with 6.9kV to 240/120V single-phase 3-wire service. A notes box specifies future circuit ties if articular loads are shifted, and another note indicates the transformer serves street lighting and other single phase loads.
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