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f1berman 09-25-2012 05:26 AM

running multi purpose wire
 
I need to run electrical wire from my house to my shed. I will need 110 for sockets and, lighting. And I will need 220 for welding equipment. Then I will also want to branch off, from the shed to a green house and a chicken coop. which will only need 110 sockets Can anyone explain what type of wire to use, and why? Thank you

AllanJ 09-25-2012 06:40 AM

For 120 and 240 volts together you can run a standard circuit consisting of two hots and one neutral (and ground wire aka equipment grounding conductor). Actually this is the only way you may do it. You may have only one feed with 120 volts or 240 volts or both going between any two buildings. This is also the most efficient way to run power to one or more outbuildings.

You can choose to run one hot and neutral (and ground) to the next building for 120 volts only over there, or run both hots (and neutral and ground) for both 120 and 240 volts.

You can run direct burial cable or run an underground conduit with individual wires (must be wet rated, such as THWN) inside. Except for the number of conductors in a cable, the same kind of wire is used for 240 volts and combination 120/240 volts as for 120 volts only.

Use a double wide 240 volt breaker with handles tied together to feed this circuit. (You need two adjacent breaker slots in the main panel with 240 volts between them)

For a workshop in the shed as well as significant other equipment (greenhouse lights) you will probably need at least 50 amps at 240 volts which means using #6 copper wire. Maybe #4 wire for 75 amps if you want electric heat or air conditioning.

Speedy Petey 09-25-2012 01:43 PM

Quote:

Originally Posted by f1berman (Post 1016896)
I need to run electrical wire from my house to my shed. I will need 110 for sockets and, lighting. And I will need 220 for welding equipment. Then I will also want to branch off, from the shed to a green house and a chicken coop. which will only need 110 sockets Can anyone explain what type of wire to use, and why? Thank you

For which part??? :huh:

andrew79 09-25-2012 02:50 PM

You need at least a 60a subpanel depending on the welder size. You can't just run wires out there for everything. You'll need type seu?(insert help with nec here). You'll then install another panel with proper grounding for an out building. Then you'll run your lights and whatnot from there. As to answer your question that cable type is rated for underground service installation I believe but I'm sure a fellow American will come along with much better wire type options for you.

electures 09-25-2012 06:03 PM

Quote:

Originally Posted by andrew79 (Post 1017164)
You need at least a 60a subpanel depending on the welder size. You can't just run wires out there for everything. You'll need type seu?(insert help with nec here). You'll then install another panel with proper grounding for an out building. Then you'll run your lights and whatnot from there. As to answer your question that cable type is rated for underground service installation I believe but I'm sure a fellow American will come along with much better wire type options for you.

SEU is not rated for underground use. Run pipe and individual (THWN) conductors.

hammerlane 09-25-2012 06:15 PM

Quote:

Originally Posted by f1berman (Post 1016896)
I will need 110 for sockets

I believe Craftsman has a 110 piece socket set on sale. Why do you need 110 sockets?

f1berman 09-28-2012 05:56 AM

Thank you all, I do believe I like to have fuse box panel simular to the one that was put on the outside and or inside of my house. so I can run separate circuits out of it. When I run the wire I will run it on a conduit, for safety. I have a lot of farm equipment being run in and out of my property which will be driven / drugged over my electrical wire. Thank you all.

andrew79 09-28-2012 06:41 AM

Check code for burial depth. It's deeper for traffic areas.


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