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December 22, 2011
Vol. IX, No. 24


   EC&M's CodeWatch
  Today's Headlines
 Report on Proposals for NFPA 70B
 What's Wrong Here?
 Moving Violations
 Code Q&A
 Code Quiz

Code News Update

The Report on Proposals for NFPA 70B: Recommended Practice for Electrical Equipment Maintenance was posted to the NFPA website on Nov. 30, 2011. If you'd like to comment on any of the proposals included in this report, then you've got until March 2, 2012 to do so.

He's a short list of some of changes noted in this report.

  • Adding a counterfeit components, devices, tools and equipment section to the document
  • Adding new text related to arc flash hazard analysis studies
  • Revising text related to batteries and battery systems in several sections
  • Adding a new section on luminaire grounding
  • Adding a new section for LED lamps
  • Adding new Chapters on the topics of Electrical Disaster Recovery, Photovoltaic Systems, Electric Vehicle Charging Systems, and Wind Power Systems
You can read the full report on this page of the NFPA website.

Code Violations

What's Wrong Here?

By Joe Tedesco

Think you know how this installation violates the NEC?

Visit EC&M's website to see the answer.

Hint: What's missing here?

Caught by the inspector!

Check out our newest Moving Violations video.

In this episode, Joe questions the routing of this low voltage wiring.

Code Quandaries

Code Q&A

By Mike Holt

Q. What are the Code requirements for a concrete-encased electrode?

Visit EC&M's website to see the answer.

Code Challenge

Code Quiz

By Steven Owen

In accordance with Art. 800, optical fiber and communications cables shall be permitted to be installed in the same raceway, cable tray, enclosure, or cable routing assembly with all but which one of the options listed below?

  1. Optical fiber and communications cables can be installed with any cable as long the insulation type for all cables is the same.
  2. Communications cables can be installed with nonconductive and conductive optical fiber cables in compliance with Parts I and IV of Art. 770
  3. Optical fiber and communications cables can be installed with community antenna television and radio distribution systems in compliance with Parts I and IV of Art. 820
  4. Optical fiber and communications cables can be installed with low-power and network-powered broadband communications circuits in compliance with Parts I and IV of Art. 830.

Visit EC&M's website for the answer and explanation.

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