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-   -   Can someone confirm my subpanel hookup (http://www.diychatroom.com/f18/can-someone-confirm-my-subpanel-hookup-97867/)

tvanharp 03-09-2011 09:49 PM

Can someone confirm my subpanel hookup
 
Feel like I'm beating a dead horse with all the sub panel questions but....
I looking for confirmation/comments on my sub panel hookup. I ran out of space and needed to add a couple new circuits.

Added a 60 amp breaker to my 100 amp panel.

The sub panel is next to my main panel. I used conduit to run (4) #4 CU wires to the new panel. The sub panel does not have a main breaker.

2 conductor wires from the 60 amp breaker connected to the main lugs of the sub panel.
1 common from the main panel ground/common bar connected to the UN-BONDED common of the sub panel.
1 Sheathed Green from the main panel ground/common bar to the ground bar of the sub panel, which is attached directly to the sub panel metal case.

Added (2) 20 amp and (2) 15 amp branch circuits to the sub panel.
The (2) 15 amp circuits replaced the 2 I lost when I added the 60 amp breaker to the main panel.

Thanks - Tom

Saturday Cowboy 03-09-2011 10:42 PM

common ah hem! NEUTRAL:laughing: Lets use th right terms it will help everybody understand.

With no disconnect or main breaker in your sub panel you are limited to six breaker handles(unless you install disconnect)


BUT yes your work sounds good.

Code05 03-10-2011 02:22 AM

Quote:

Originally Posted by Saturday Cowboy (Post 606407)

With no disconnect or main breaker in your sub panel you are limited to six breaker handles(unless you install disconnect)

I think the max 6 rule only applies to services and panels in separate structures. 225.33(A) and 230.71(A).

Saturday Cowboy 03-10-2011 03:52 AM

now thats a good question

tvanharp 03-10-2011 06:28 AM

Quote:

Originally Posted by Saturday Cowboy
common ah hem! NEUTRAL:laughing: Lets use th right terms it will help everybody understand.

Yes neutral, sorry my dad always used common and he was my electrical teacher, old habits.
As for the branch circuits I have room for 8 but not being used. The (2) 20 amp are only feeding 1 outlet each for a new heated bathtub, it called for 2 separate 20 amp circuits with GFI's one for the heater and one for the pump.
Thanks for the reply
Tom

Do It Right 03-10-2011 06:32 AM

Yes your description sounds correct.

Stubbie 03-10-2011 10:03 AM

1 Attachment(s)
You could have used three #6 awg copper with a #10 awg copper ground but there is certainly nothing wrong with four #4 awg copper.

You are not limited to the 6 disconnect rule in your sub-panel as previously mentioned by code05. Disconnects are to be grouped for services for the same building/dwelling and you can remove power from both your service equipment and the sub-panel by opening the service disconnect for your home.

I agree your installation sounds correct.

Compare it with this diagram.


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