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#154547 - 01/26/06 01:48 AM Rumors of 2008 changes  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,069
Estero,Fl,usa
I hear rumors 250.32(B)(2) may be going away and that 210.12(B) will expand to all 15 and 20a 120v receptacles (outlets?).


Greg Fretwell

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#154548 - 01/26/06 10:24 AM Re: Rumors of 2008 changes  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
Regarding 250.32(B), that is true at this point in the game. I wrote the proposal, and talked with Mike Holt who sat in on the panel meeting with CMP 5.


Ryan Jackson,
Salt Lake City

#154549 - 01/26/06 06:38 PM Re: Rumors of 2008 changes  
iwire  Offline
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Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Ryan if you don't mind what was the safety reason for the change?

And of course my next question is if that practice is unsafe how can services be safe?

Bob


Bob Badger
Construction & Maintenance Electrician
Massachusetts

#154550 - 01/27/06 10:37 AM Re: Rumors of 2008 changes  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
The safety reason for the change is that bonding enclosures with a cuurent carrying conductor is not a good idea.

Regarding services...if this passes I plan on submitting the same concept for services in 2011. Of course, services don't typically fall under the scope of the NEC, but as written now, you don't have the option of installing an EGC from the transformer and bonding it to the enclosure, and floating the nuetral at the service.


Ryan Jackson,
Salt Lake City

#154551 - 01/27/06 01:50 PM Re: Rumors of 2008 changes  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,069
Estero,Fl,usa
That certainly sounds like a hard sell. You will need to coordinate this change with the NESC and I bet the utilities who sit on those CMPs will veto it.
I do see the value of the idea but I doubt the utilities will.
This is the kind of idea that needed to be established back when Edison and Westinghouse were deciding what the grid would look like.
It will certainly make me want some stock in Landis & Gyr and Thomas & Betts. They will have an instant market for a couple hundred million meter bases.


Greg Fretwell

#154552 - 01/27/06 02:02 PM Re: Rumors of 2008 changes  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
They can't "veto" anything. All they can do is vote against it.


Ryan Jackson,
Salt Lake City

#154553 - 01/27/06 05:10 PM Re: Rumors of 2008 changes  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,069
Estero,Fl,usa
If the NESC CMPs are anything like the NEC CMPs they are packed with industry reps. If the industry doesn't want something it don't happen. On the other hand, if they have a product they are pimping it gets fast tracked to the front of the line, ready or not. I only have to point to 210.12 and products that were put in the code, in spite of the fact they didn't exist.
Personally I think the whole process is broken, bordering on being corrupt.


Greg Fretwell

#154554 - 03/11/06 07:22 PM Re: Rumors of 2008 changes  
pdh  Offline
Member
Joined: Jan 2005
Posts: 354
bump...

Even I, a non-electrician, can see the safety advantage of not doing things as in 250.32(B)(2). I'd be happy to see that go away.

But as for 210.12(B) being expanded, I'd say we are not really ready for that, yet. We may not be for quite a while. But I do think we could live with it expanding provided that some better exceptions are made available, such as for dedicated circuits. Maybe it could be expanded to some additional areas of the home. Maybe an exception could be made for some areas (where cords are unlikely to be an added safety hazard) when AC, MC, or metallic conduit protects the wiring.

We could end up seeing a lot more AFCI breakers for sale on EBAY as homeowners end up doing their own replacements. What may be more influencial regarding this would be how homeowner insurance policies are written. If existance of AFCI protection is required for lower rates (and undocumented substitution discovered after a fire results in non-payment), then I can see more of this coming about. While I could imagine the insurance industry would back this change, I would think they could effect the change through their rate structures, too.


#154555 - 09/12/06 01:55 AM Re: Rumors of 2008 changes  
aldav53  Offline
Member
Joined: Aug 2001
Posts: 545
Chandler, AZ USA
I think they ought to do away with allowing wrapped ridgid underground in the 2008 code. There are too many areas they still rust out in with high acidic soil. Should be PVC only.


The Golden Rule - "The man with the gold makes the rule"

#154556 - 09/12/06 08:13 PM Re: Rumors of 2008 changes  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
Regarding the expansion of AFCI's...I think the NFPA is setting itself up for a huge blackeye with this one. Considering the fact that the AFCI's must be the combination type, and nobody has a functioning AFCI type available yet, I can't see how the NEC would require a device to be installed throughout the entire house, when we don't even know if it works!


Ryan Jackson,
Salt Lake City

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