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Old 12-05-2012, 05:50 PM   #1
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Delaware Adopts 2011 National Electrical Code®


The Delaware State Fire Prevention Commission adopted the 2011 National Electrical Code (NEC®), effective December 11, 2012. This regulation has the force and effect of law in the counties, cities, and political subdivisions of the State. However, any county, city, or local jurisdiction can amend this regulation providing such regulation or ordinance is more stringent or imposes higher standards than those required by the 2011 National Electrical Code and are not inconsistent with the NEC and are not contrary to recognized standards and good engineering practices.
The 2011 NEC is adopted in its entirety with the exception of two amendments regarding the installation of smoke alarms on branch circuits protected by Arc-Fault Circuit-Interrupters. The amendments are the same as those made with the adoption of the 2005 and 2008 NEC. Sections 210.12(B) and 550.25(B) are amended by adding a second, third and fourth sentence to read as follows: Smoke alarms shall not be placed on branch circuits protected by arc-fault circuit interrupter. All smoke alarms shall be supplied by branch circuits dedicated to smoke alarm equipment. The connection of the smoke alarm branch circuit to the power service shall be mechanically protected by utilizing lock-on devices.

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Old 12-05-2012, 06:12 PM   #2
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Delaware Adopts 2011 National Electrical Code®


I understand that it says the smokes require a dedicated non-AFCI circuit, but what does the last sentance mean and how is it implemented?

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Old 12-05-2012, 06:15 PM   #3
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Delaware Adopts 2011 National Electrical Code®


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I understand that it says the smokes require a dedicated non-AFCI circuit, but what does the last sentance mean and how is it implemented?
Breaker locks.



or

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Last edited by electures; 12-05-2012 at 06:21 PM.
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Old 12-05-2012, 06:17 PM   #4
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Delaware Adopts 2011 National Electrical Code®


A breaker lock is placed over the breaker handle to prevent the circuit from being turned off.
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Old 12-05-2012, 06:39 PM   #5
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Delaware Adopts 2011 National Electrical Code®


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A breaker lock is placed over the breaker handle to prevent the circuit from being turned off.
What prevents the lock from being removed?
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Old 12-05-2012, 06:41 PM   #6
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Delaware Adopts 2011 National Electrical Code®


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What prevents the lock from being removed?
Nothing. It is just a deterant.
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Old 12-05-2012, 07:28 PM   #7
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Delaware Adopts 2011 National Electrical Code®


You'll flunk your final inspection in Delaware without that breaker lock on the smoke circuit.

I really don't agree with it, but have to comply if I want to work there.
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Old 12-05-2012, 07:50 PM   #8
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Delaware Adopts 2011 National Electrical Code®


The fact that is is a dedicated circuit makes it easy to live without it. I think this is a mistake on the part of the Delaware code officials.
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Old 12-05-2012, 07:52 PM   #9
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The fact that is is a dedicated circuit makes it easy to live without it. I think this is a mistake on the part of the Delaware code officials.
That was my thinking as well.
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Old 12-05-2012, 09:17 PM   #10
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Delaware Adopts 2011 National Electrical Code®


No homeowner will have a screwdriver small enough to loosen the screw...its all good.
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Old 12-05-2012, 10:17 PM   #11
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No homeowner will have a screwdriver small enough to loosen the screw...its all good.
i don't believe that. I think the intent of the lock is so that home owners don't turn it off while doing other work. keep the home owner protected from them selfs
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Old 12-06-2012, 04:46 AM   #12
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Delaware Adopts 2011 National Electrical Code®


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i don't believe that. I think the intent of the lock is so that home owners don't turn it off while doing other work. keep the home owner protected from them self
I think K_Buz was speaking tongue in cheek.

I always thought having the smokes on a lighting circuit was a better deterrent to keep people from leaving them turned off. But the code says different.
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Old 12-06-2012, 05:54 AM   #13
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Here in OH we have to put the smokes on a bedroom circuit.

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