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Forums» Electrical Codes» Smoke Alarms

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Smoke Alarms
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Smoke Alarms By  Uncle Bob

Posts: 174

10/14/2011 5:17:39 PM

2009 IRC, R314 SMOKE ALARMS.

Just had a call from an Electrical Contractor; stating that a subdivision he is contracting the electrical in, does not require hardwiring of smoke alarms; because they are all monitored (single family homes) by a monitoring company.

Any one know of an exception where smoke alarm hard wiring is not required in new single family homes?

thanks,

Uncle Bob

Retired Texas Combination Inspector. Location Oklahoma.

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   Edited By Uncle Bob at 10/14/2011 5:19:19 PM.

Smoke Alarms By  HLfireinspector

Posts: 15

10/17/2011 5:09:19 PM

R313.1 Smoke detection and notification. All smoke alarms

shall be listed in accordance with UL 217 and installed in

accordance with the provisions of this code and the household

fire warning equipment provisions of NFPA 72.

Household fire alarm systems installed in accordance with

NFPA 72 that include smoke alarms, or a combination of

smoke detector and audible notification device installed as

required by this section for smoke alarms, shall be permitted.

The household fire alarm system shall provide the same level of

smoke detection and alarm as required by this section for

smoke alarms in the event the fire alarm panel is removed or the

system is not connected to a central station.

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Smoke Alarms By  Uncle Bob

Posts: 174

10/18/2011 10:40:40 AM

HL,

Thanks for the answer;

"The household fire alarm system shall provide the same level of smoke detection and alarm as required by this section for smoke alarms in the event the fire alarm panel is removed or the system is not connected to a central station."

I don't have NFPA 72; and losing my ability to understand some of these code requirements; the way they are written.  Does that mean that they are required to be hardwired?  It seems to me that it would be difficult to "provide the same level of smoke detection and alarm without hardwiring; if the fire alarm panel is removed or the system is not connected to a central station.

To me this requires for hardwiring of all new systems; so the code requirement is met without additional wiring and/or cost to the homeowner.

Uncle Bob

Retired Texas Combination Inspector. Location Oklahoma.

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   Edited By Uncle Bob at 10/18/2011 10:45:03 AM.

Smoke Alarms By  Bryan Holland

Posts: 79

10/21/2011 3:25:35 PM

I agree with your assessment.  The smoke alarms cannot be dependent on a fire alarm panel or other monitoring system, alone.  There is nothing prohibiting the smoke alarms from being connected to & monitored by a central system, as long as they will continue to operate via the normal premises wiring system.

Bryan P. Holland, MCP

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Smoke Alarms By  Uncle Bob

Posts: 174

10/21/2011 10:00:09 PM

Bryan,

I though I was reading it right; but, it's always helpful to have someone who knows more than me either affirm my understanding, or explain where I'm wrong.

Thanks,

Uncle Bob

Retired Texas Combination Inspector. Location Oklahoma.

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Smoke Alarms By  Rick Napier

Posts: 4

1/13/2012 11:07:01 AM

There is some confusion here since two different years of the IRC are being quoted. 314 is the 2009 and would allow wireless smoke detector system as per 2007 nfpa 72 article 11.7.7. The 2003 and 2006 does not allow per 313.

Here is a link for free vews of nfpa codes but you can't copy.

http://www.nfpa.org/aboutthecodes/list_of_codes_and_standards.asp

 

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