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Old 02-15-2009, 06:51 PM   #16
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Adding a subpanel (lots of questions)


So Bob, are you saying that this sub panel here isn't going to work? Do I need to go buy a new one that has a disconnect on it, install a 100a disconnect in it, and then put a 60a feeder in the main panel?

Also, the city I live in uses 2008 NEC codes, does that mean I should still use 6/3 cable?


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Old 02-15-2009, 07:15 PM   #17
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Adding a subpanel (lots of questions)


A subpanel attatched to the same structrure DOES NOT REQUIRE A DISCONNECT.
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Old 02-15-2009, 07:19 PM   #18
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Adding a subpanel (lots of questions)


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Originally Posted by Bob Mariani View Post
The sub panel will still need a disconnecting means. NEC 230.79(D) All Others (more than two circuits in a dwelling) The service disconnecting means shall have a rating not less than 60 amps.

Article 230 covers services not feeders.
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Old 02-15-2009, 07:29 PM   #19
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Adding a subpanel (lots of questions)


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Originally Posted by chris75 View Post
A subpanel attached to the same structure DOES NOT REQUIRE A DISCONNECT.
Is that as long as everything can be shut off with 6 flips?
IE 6 breakers or less?
Or is that for detached buildings?

Yeah we went thru 230 on another thread, or maybe it was another board
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Old 02-15-2009, 07:45 PM   #20
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Adding a subpanel (lots of questions)


I don't believe it matters whether or not there are 6 breakers or more, so long as it is in the same structure as the main panel/service disconnect.

And I believe it was article 225 that was being talked about most recently in other threads which covers "Outside Branch Circuits and Feeders".

To the OP, you should be ok with that panel as your sub.
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Old 02-15-2009, 08:55 PM   #21
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Adding a subpanel (lots of questions)


Quote:
Originally Posted by Bob Mariani View Post
The sub panel will still need a disconnecting means. NEC 230.79(D) All Others (more than two circuits in a dwelling) The service disconnecting means shall have a rating not less than 60 amps. But as a practical matter it would not make any sense to run something smaller. Especially since most agree to move several circuits to the new panel. And future needs are to be considered by code and practice also.
For inspection all connections should be done. Panel covers better be on. You remove them when he is there and asks you to. Safety. Never leave a panel cover off if its hot. Be sure to separate the grounds and commons (ungrounded conductor) on the sub panel. And if you move the wires to a range or dryer that is electric these too need new plugs (4 wire not 3 wire)
This install is covered in 408 in the nec not 230

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