Wiring to new shed


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Old 07-05-09, 01:28 PM
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Wiring to new shed

SETUP:
I have a screened in porch with 2 inside outlets, 1 outside outlet, light/fan, and outdoor light. One of the inside outlets is GFCI. Everthing else runs through this. This is running off a 15 amp circuit that also powers my kitchen lights.

I just bought a shed that is pre-wired for 3 outlets, a switch, and a light.

Is it acceptable to run 12/2 wire underground in plastic conduit and make the connection from my outside porch outlet? What if the porch wiring and/or shed wiring is 14/2? Since a GFCI is protecting everything outside the house, can I run the wire directly into the shed and splice it together in a junction box?

Thanks so much for your help!!


Billy
 
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Old 07-05-09, 01:38 PM
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You can run THWN in conduit or direct bury UF cable. You can join it at a junction box with a switch since a disconnect is require. #12 is ok but if the breaker is 15a you could use #14. Using #12 does leave you room to increase capacity if needed.

If the circuit you are tying into has only a small load and shed load is low you should be ok.
 
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Old 07-05-09, 01:42 PM
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Disconnect

I will need a disconnect even though it's protected by GFCI at the house?
 
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Old 07-05-09, 01:46 PM
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Originally Posted by phipsi1237
I will need a disconnect even though it's protected by GFCI at the house?
Yes. GFCI is a safety device not a disconnect and disconnect must be at the shed..
 
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Old 07-05-09, 01:54 PM
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Thanks a lot

Can the disconnect be inside the shed? Also, I should probably use 15-amp outlets instead of 20-amp?
 
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Old 07-05-09, 02:20 PM
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You could only use the 20 amp receptacles on a 20 amp circuit. On a 20 amp circuit you can use 15 amp receptacles as long as there is more than 1 place to plug in a plug. A standard duplex receptacle counts as 2 places.

Rarely will you see anything that has a 20 amp cord cap on it.
 
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Old 07-05-09, 02:30 PM
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Can the disconnect be inside the shed?
That's the best place. An ordinary light switch will be fine.
 
 

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