A #2 copper conductor will limit the voltage drop to 3% or less when supplying 60 amps for 260 feet on a 220 volt system.
I would recommend you use 1/0 gauge
12 gauge underground wire or if you think you will ever add any devices to this circuit use 10 gauge.
I would use AWG #4 for that run in alluminum. You will have a 3.8% voltage drop which is acceptible.
A #1 copper conductor will limit the voltage drop to 3% when supplying 15 amps for 700 feet on a 120 volt system.
The 095 gauge is thicker than the 15 gauge. In terms of wire thickness, gauge numbers are inversely proportional; as the gauge number decreases, the wire diameter increases. Therefore, 095 gauge has a larger diameter compared to 15 gauge, making it more suitable for applications requiring greater strength or conductivity.
I would recommend you use 1/0 gauge
Made in South America.
12 gauge underground wire or if you think you will ever add any devices to this circuit use 10 gauge.
Standard gauge 1,435 mm (4 ft 8+1⁄2 in) 17,678 km - mainly New South Wales and the interstate rail networkCape gauge 1,067 mm (3 ft 6 in) 15,160 km - mainly Queensland, Western Australia and Tasmania as well as some of South AustraliaIrish broad gauge 1,600 mm (5 ft 3 in) 4,017 km - mainly Victoria, some South Australia.While Irish broad gauge was the original standard agreed to amongst the colonies, standard gauge eventually won out, and many sections of broad gauge are slowly being converted to standard gauge
4/0 Aluminum or 2/0 Copper type USE.
1435 mmThis is known as "standard gauge" and is the most common rail gauge in the world. It is used in North America (USA + Canada + Mexico), most of Europe, China and parts of Africa, South America and Australia.
Meter gauge tracks are one meter or 39.4 inches apart. Standard gauge rails are 4 feet 8 and one half inches apart. Broad gauge is 5 feet between the rails. Most USA railroads use standard gauge although Broad gauge was common in the American South before the Civil War. It is still common in many parts of Russia.
For a 200 amp underground electrical installation, it is recommended to use copper wire with a minimum size of 2/0 AWG (American Wire Gauge) or larger to ensure proper conductivity and safety.
Kolkata Metro is first underground railway in India. It was the first such form of transport in India, opening for commercial services in 1984. It is the 17th zone of the Indian Railways system.Source - TravelKhana.com
The most common gauge is 'standard gauge', or 'Stephenson Gauge' which is 1435 mm (originally 4 ft 8½ inches). Standard Gauge is used by 60% of the world's railways1435 mm Standard Gauge is used on most of Europe, North America, China and parts of South America, Africa and Australia.1520 mm is used in Russia and countries which used to be part of the Russian Empire.1600 mm is used in Ireland and parts of South America and Australia.1668 mm is used in Spain and Portugal.1676 mm is used in India and Pakistan.1000 mm is used for some branch lines and trams in Europe, and in parts of South America and Australia.1067 mm (3 ft 6 in) is used in Japan and parts of South America, Africa and Australia.Plus many other gauges used locally for short sections of railway.New High Speed lines are built to Standard Gauge, even in countries that do not use Standard Gauge (Japan, Spain) because it is cheaper to use existing designs for the trains.
The gauge disparity between the North and South in the United States, primarily the difference between the standard gauge of 4 feet 8.5 inches and the broader gauge used in some Southern railroads, was largely resolved during the Reconstruction era following the Civil War. The federal government promoted the standardization of railroads to facilitate commerce and movement. Many Southern railroads were either rebuilt or modified to conform to the standard gauge, which helped integrate the national rail network and improve transportation efficiency. By the late 19th century, most Southern railroads had adopted the standard gauge, effectively eliminating the disparity.
I would use AWG #4 for that run in alluminum. You will have a 3.8% voltage drop which is acceptible.