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kurtp2 09-01-2012 08:55 AM

General purpose conduit to detached garage
 
1 Attachment(s)
I have a detached garage which is about 12 ft from the house and which has a separate workshop area. Expected load is portable tools and supply to recharge the plugin hybrid. I will also be supplying the main house when power goes out (from car), when there is excess photovoltaic power (to be installed) and/or when a separate static battery bank is installed and were off grid.

I was thinking of burying 3" PVC to house electrical and future water lines for carrying heated water (solar thermal). Should these conduits be separate or can I nest one inside the other? Should I use 12-2 wire or THHN/ THWN and with what housing? Also, I cannot dig to 12" unless I go below the footer (see pic).

Need advice.


Attachment 56686

Missouri Bound 09-01-2012 10:20 AM

You will need seperate conduits for each applicatoin...low voltage, heating tubing, and line voltage. If you are intending to use more than one circuit in the garage you will need a sub-panel.

electures 09-01-2012 10:28 AM

Quote:

Originally Posted by kurtp2 (Post 1000926)
I have a detached garage which is about 12 ft from the house and which has a separate workshop area. Expected load is portable tools and supply to recharge the plugin hybrid. I will also be supplying the main house when power goes out (from car), when there is excess photovoltaic power (to be installed) and/or when a separate static battery bank is installed and were off grid.

I was thinking of burying 3" PVC to house electrical and future water lines for carrying heated water (solar thermal). Should these conduits be separate or can I nest one inside the other? Should I use 12-2 wire or THHN/ THWN and with what housing? Also, I cannot dig to 12" unless I go below the footer (see pic).

Need advice.


Attachment 56686

Romex cannot be installed in a wet location.


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