This article was posted 02/17/2012 and is most likely outdated.

Mike Holt - 2011 Changes to the NEC – 90.2
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2011 Changes to the NEC – 90.2
Based on - NEC - 2011 Edition

2011 Changes to the NEC – 90.2

The following is an instructional page from our 2011 Changes to the NEC Textbook/DVD Package complete with graphics and video where applicable. As part of our on-going effort to provide free resources to help the industry, we will be sending this content as part of a series of newsletters. Each newsletter will feature pages taken directly from our textbooks. This can be a great training resource for your organization!

There are some important features in this text which help to highlight the changes that you should be aware of:

  • Each Code section which contains a change includes a summary of the change, followed by a paraphrase of the NEC text affected by the change. Any specific change is denoted by underlined text and in the corresponding chapter color
  • Graphics with green borders and 2011 CC icons next to the heading are graphics that contain a 2011 change; graphics without a green border or icon are graphics that support the concept being discussed, but nothing in the graphic was affected by a 2011 Code change.
2011 Changes to the NEC Part 1

90.2(B)(5) Not Within the Scope of the NEC

The areas in which utility installations aren’t covered has been revised to address federal lands, Native American reservations, state agencies, military bases, and similar locations.


90.2 Scope of the NEC.

(B) What isn’t Covered. The NEC doesn’t apply to:

(5) Electric Utilities. The NEC doesn’t apply to installations under the exclusive control of an electric utility where such installations:

a. Consist of service drops or service laterals and associated metering.

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Figure 90-1 (Click on image to enlarge)

b. Are on property owned or leased by the electric utility for the purpose of generation, transformation, transmission, distribution, or metering of electric energy.

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Figure 90-2 (Click on image to enlarge)

Author’s Comment: Luminaires located in legally established easements, or rights-of-way, such as at poles supporting transmission or distribution lines, are exempt from the NEC. However, if the electric utility provides site and public lighting on private property, then the installation must comply with the Code [90.2(A)(4)].

c. Are located on legally established easements, or rights-of-way.

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Figure 90-3 (Click on image to enlarge)

d. Are located by other written agreements either designated by or recognized by public service commissions, utility commissions, or other regulatory agencies having jurisdiction for such installations; limited to installations for the purpose of communications, metering, generation, control, transformation, transmission, or distribution of electric energy where legally established easements or rights-of-way can’t be obtained. These installations are limited to federal lands, Native American reservations through the U.S. Department of the Interior Bureau of Indian Affairs, military bases, lands controlled by port authorities and state agencies and departments, and lands owned by railroads.

Note to 90.2(B)(4) and (5): Utilities include entities that install, operate, and maintain communications systems (telephone, CATV, Internet, satellite, or data services) or electric supply (generation, transmission, or distribution systems) and are designated or recognized by governmental law or regulation by public service/utility commissions. Utilities may be subject to compliance with codes and standards covering their regulated activities as adopted under governmental law or regulation.

ANALYSIS:  A change was made in the 2008 edition of the NEC that eliminated “other agreements” from the list of ways that utilities could be exempted from Code compliance. An unintended result of this change was the removal of installations on Native American reservations, federal lands, and similar areas from NEC exemption. This change now gives the AHJ a means to exempt utility wiring in these areas.

 

2011 NEC Changes DVD Package
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Don't let the scale of the code changes intimidate you, this package will get you up to speed on the most essential 2011 NEC changes quickly. The book is well-organized, easy to follow, and the full-color illustrations bring the material to life. The DVDs bring together a group of experts from the field to discuss the changes and how they apply in the real-world.

This program includes the following items:

  • Changes to the NEC 2011 Textbook
  • Changes to the NEC 2011 DVD 1 & 2 includes Articles 90 - 810

Product Code: 11CCDVD
Price: $198.00

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Comments
  • NESC refers local hazard and nec, for example battery installation is considered like hazard.

    marthacpaiz  February 20 2012, 12:24 pm EST

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