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#79194 - 12/02/01 01:46 PM AFCI's for AC's and in Mobile Homes
Joe Tedesco Offline
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Registered: 10/07/00
Posts: 2749
Loc: Boston, Massachusetts USA
New 2002 NEC requirements that may save lives someday!


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.


550.25 Arc-Fault Circuit-Interrupter Protection.

(A) Definition. Arc-fault circuit interrupters are defined in 210.12(A).

(B) Bedrooms of Mobile Homes and Manufactured Homes. All branch circuits that supply 125-volt, single-phase, 15- and 20-ampere outlets installed in bedrooms of mobile homes and manufactured homes shall be protected by arc-fault circuit interrupter(s).
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Joe Tedesco, NEC Consultant
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#79195 - 12/02/01 04:24 PM Re: AFCI's for AC's and in Mobile Homes
sparky Offline
Member
Registered: 10/18/00
Posts: 5303
Obviously there have been enough AC related incidents.

So comes the Q, if the amazing life saving technology of AFCI's and GFCI's are indeed what they claim, why do we not provide for whole house protection similar to systems overseas?

The code has slowly stipulated an increased level of protection to the point where safety could be economicially adressed better.

[This message has been edited by sparky (edited 12-02-2001).]
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#79196 - 12/04/01 07:57 PM Re: AFCI's for AC's and in Mobile Homes
Bill Addiss Offline
Member
Registered: 10/07/00
Posts: 3875
Loc: NY, USA
Sparky,

Would you really want to shut down a whole House? I don't think that would be good at all, do you?

Bill
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#79197 - 12/05/01 03:47 AM Re: AFCI's for AC's and in Mobile Homes
sparky Offline
Member
Registered: 10/18/00
Posts: 5303
The method apparently works overseas
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#79198 - 12/05/01 04:41 AM Re: AFCI's for AC's and in Mobile Homes
Brendan Foley Offline
Member
Registered: 12/04/01
Posts: 35
Loc: Cleveland, TN
We get asked this question at inspector meetings. The issue is one of ease of troubleshooting, isolating the cause, and not cutting off power to the whole home. If electricians had to try to find the fault by tracing each circuit, the technology would never be installed.
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