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#99391 - 09/26/05 09:33 AM 440.65 Leakage Detection and Interruption  
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
I have just been informed by a reliable source that the AFCI has malfunctioned on two machines in some school building in St. Louis.

Quote
440.65 Leakage Current Detection and Interruption (LCDI) and Arc Fault Circuit Interrupter (AFCI)

Single-phase cord-and-plug-connected room air conditioners shall be provided with factory-installed LCDI or AFCI protection.

The LCDI or AFCI protection shall be an integral part of the attachment plug or be located in the power supply cord within 300 mm (12 in.) of the attachment plug.


Joe Tedesco, NEC Consultant

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#99392 - 09/27/05 07:34 PM Re: 440.65 Leakage Detection and Interruption  
jw electric  Offline
Member
Joined: Sep 2005
Posts: 106
Asheboro, NC
I still see them on the shelf at the Do-It-Yourself stores with out this required protection.
[Linked Image]


Mike

#99393 - 09/27/05 09:40 PM Re: 440.65 Leakage Detection and Interruption  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,142
Estero,Fl,usa
I don't know who would be enforcing this.
You don't get a permit to set up a window shaker so you are not going to see a code inspector.
I am guessing new ship window AC units are so supplied but anything manufactured before the drop dead date (the date the 2002 code was adopted in a jurisdiction) would be grandfathered in ... Or are you saying this requires all end users to throw away the unit?
Replacing the plug would void the existing listing.
I doubt a 100,000,000 ACs are going to get tossed.


Greg Fretwell

#99394 - 09/28/05 08:49 AM Re: 440.65 Leakage Detection and Interruption  
renosteinke  Offline
Cat Servant
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Joined: Jan 2005
Posts: 5,316
Blue Collar Country
This is the sort of code provision that is of little use out in the field. It is there for the benefit of manufacturers.

Without these devices, the manufacturer will not be allowed to continue using the UL lable. Units made before the code change are no affected.


#99395 - 09/28/05 11:05 AM Re: 440.65 Leakage Detection and Interruption  
gfretwell  Offline


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Joined: Jul 2004
Posts: 9,142
Estero,Fl,usa
Reno, the problem I see with this is the NEC has to be accepted by the AHJ. The manufacturer (in China) will have no idea which jurisdiction this will be sold in and when they actually accept the 2002 code.
This is a listing standard issue, not a code issue. We don't need more clutter in the NEC.


Greg Fretwell

#99396 - 09/28/05 12:15 PM Re: 440.65 Leakage Detection and Interruption  
resqcapt19  Offline
Member
Joined: Nov 2000
Posts: 2,148
IL
This is the type of rule that has no place in the NEC. This type of thing along with the vending machine GFCI rule should be in the product safety standards, not the NEC.
Don


Don(resqcapt19)

#99397 - 09/28/05 07:47 PM Re: 440.65 Leakage Detection and Interruption  
renosteinke  Offline
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Blue Collar Country
I might even agree with narrowing the scope of the NEC....but until that happens, there are lots of parts of the code that really have little relevance to anyone but the manufacturers.
Labling instructions. Sheet metal thicknesses. Corrosion protection. Clearances.
Now, it might be a good proposal this cycle to segregate msnufacturing requirements fron the rest of the code....make it Section 10, perhaps?


#99398 - 10/02/05 09:57 PM Re: 440.65 Leakage Detection and Interruption  
AllClear  Offline
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Joined: Aug 2005
Posts: 44
Belmond Iowa US
This Should be a UL Requirement
Why is it in the NEC?


It's Not The Fall That Kills You...
It's That Sudden Stop At The End


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