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2017 NEC Changes #218875
12/04/17 07:08 PM
12/04/17 07:08 PM
L
luckyshadow  Offline OP
Member
Joined: Jan 2005
Posts: 315
Maryland USA
In Your opinion - What is the biggest , worst, most inconvenient , vague, or best change made in the 2017 NEC ?

2017 / 2014 NEC & Related Books and Study Guides
Re: 2017 NEC Changes [Re: luckyshadow] #218881
12/11/17 01:10 PM
12/11/17 01:10 PM
HotLine1  Offline

Member
Joined: Apr 2002
Posts: 6,972
Brick, NJ USA
Luckyshadow

I would like to comment on this....but I have not seen any of the '17 changes as of yet.

NJ is not one to adopt a 'new' NEC quickly. I think when I get back to the office Wed. I'll have one of the clerical staff order the '17.

John

PS: Anyone have any comments??


John
Re: 2017 NEC Changes [Re: luckyshadow] #218882
12/12/17 11:50 PM
12/12/17 11:50 PM
Bill Addiss  Offline
Member
Joined: Oct 2000
Posts: 3,891
NY, USA
Sorry, I'm not up on the 2017 NEC either.

I think I made a significant change to a prior NEC, but will never get the credit for that.

Bill

Re: 2017 NEC Changes [Re: luckyshadow] #218883
12/13/17 03:44 AM
12/13/17 03:44 AM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,227
Estero,Fl,usa
The last time I had a proposal "accepted in principle" was about LEDs in closets.
Florida is always a cycle or 2 behind so it will be a while before I get serious about the 17.


Greg Fretwell
Re: 2017 NEC Changes [Re: luckyshadow] #218885
12/13/17 07:43 PM
12/13/17 07:43 PM
S
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,349
We're on the '17 in Vermont , this new inclusion in 110.14 caused quite the flap

>>>
Quote
110.14(D) Installation. Where a tightening torque is indicated as a
numeric value on equipment or in installation instructions
provided by the manufacturer, a calibrated torque tool shall be
used to achieve the indicated torque value, unless the equip‐
ment manufacturer has provided installation instructions for
an alternative method of achieving the required torque.


Apparently someone just had to ask about torque wrench calibration.....and it all went off in the ozone with certifications and qualified testers, etc....

It's Vermont , boring without snow.....

~S~

Re: 2017 NEC Changes [Re: luckyshadow] #218886
12/13/17 07:48 PM
12/13/17 07:48 PM
S
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,349

This one has many wondering where to purchase what's needed....>>

Quote
210.8(B) Other Than Dwelling Units. All single-phase receptacles
rated 150 volts to ground or less, 50 amperes or less and three-
phase receptacles rated 150 volts to ground or less,
100 amperes or less installed in the following locations shall
have ground-fault circuit-interrupter protection for personnel.


~S~

Re: 2017 NEC Changes [Re: luckyshadow] #218887
12/13/17 07:57 PM
12/13/17 07:57 PM
S
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,349
But by far and large, the one '17 change that left everyone in class with that 'kicked in the pants' look was this>>>

Quote
215.2 A 1 Exception No. 2: Where a portion of a feeder is connected at both its
supply and load ends to separately installed pressure connections as
covered in 110.14(C)(2), it shall be permitted to have an allowable
ampacity not less than the sum of the continuous load plus the noncon‐
tinuous load. No portion of a feeder installed under the provisions of
this exception shall extend into an enclosure containing either the feeder
supply or the feeder load terminations, as covered in 110.14(C)(1).



This is hard for me to 'splain , especialy w/o the HB pix .

It's essentially saying we can run a feeder @ 90C

There's a 1/2 page of if's & buts.....

I still don't get it...:(

~S~

Re: 2017 NEC Changes [Re: luckyshadow] #218890
12/14/17 08:24 PM
12/14/17 08:24 PM
HotLine1  Offline

Member
Joined: Apr 2002
Posts: 6,972
Brick, NJ USA
~s~
It’s been a while, so.....hello & welcome!!

The torque wrench thing will create debate, as you infer about calibrate.

I have to think about you second post a little bit

The third has my head spinning.


John
Re: 2017 NEC Changes [Re: luckyshadow] #218892
12/15/17 09:09 AM
12/15/17 09:09 AM
G
ghost307  Offline
Member
Joined: May 2005
Posts: 943
Chicago Illinois USA
I'd be willing to bet that the torque thing is just to make sure that everyone has one to use instead of trusting the torque standard that we were to at Ford which was "tighten it until it snaps...then back it off a quarter turn".
Something tells me that nobody (except perhaps the truly anal AHJ's) will care about having a recent testing certification.


Ghost307
Re: 2017 NEC Changes [Re: luckyshadow] #218894
12/15/17 08:06 PM
12/15/17 08:06 PM
HotLine1  Offline

Member
Joined: Apr 2002
Posts: 6,972
Brick, NJ USA
Ghost

FWIW. I know of two AHJs that are going to love the calibration thing..

I do not ‘witness test’, and I am not aware of any other inspectors who want to see/check any torque readings. Basically, it’s on the contractor, or the project design pro/engineer.


John
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