Hello, I'm going to get electricity to my shop which is aprox. 240-245 ft. away from my house. I plan on running 220v from my box to the shop using 10-2 uf wire then splitting it off into two circuts; one circuit for outlets on one side of the building and one for the other side.

My question is... Will 10-2 wire be heavy enough to carry enough voltage/amperage that far without any problems. Thanks for your time.

First, if you are planning on installing both 240 and 120 VAC circuits, you must use a three conductor cable with ground.

At the sub panel, there must be a ground rod to the ground conductor to the sub panel. On the subpanel, you must isolate the ground from the Neutral, they cannot be bonded at the sub panel.

10 AWG conductors are rated for 30 amp.

Given the distance and the unknown load and sizing the circuit as a "continuous" live circuit, you would need at least #3 AWG, copper, and a 40 amp breaker to deliver 30 amps 250 feet. You would have to use a #4 AWG conductor as your equipment grounding conductor.

A more realistic load would be 60 amps. For that you would need #1/0 copper, with a min. size 80 amp breaker or a max. 90 amp breaker and a #4 AWG equipment ground conductor.

Please examine what your costs would be to trench and back fill. Plus cost of the feeder cable. And then ask your Power Company what they would charge to supply an overhead drop or an underground lateral to the remote building.