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June 16, 2011
Vol. IX, No. 12


   EC&M's CodeWatch
  Today's Headlines
 Two More States Ready to Adopt 2011 NEC
 What's Wrong Here?
 Code Q&A
 Code Quiz
 Understanding NEC Requirements for Solar Photovoltaic Systems
 Top Code Changes: 2011 NEC

Code News Update

On May 26, the governor of Nebraska approved Legislative Bill 56 (LB56), which will update 81-2104(5) to reference the minimum standards for electrical wiring to be the 2011 National Electrical Code. This change will go into effect Aug. 27, 2011. Any electrical permit received by the division on or after that date will be based on the 2011 NEC; existing permits will remain on the 2008 NEC. In addition, future electrical exams will be based on the 2011 NEC, beginning with the Norfolk exam scheduled to take place on Sept. 20, 2011.

According to a recent Code Alert issued on June 8 by the National Electrical Manufacturers Association (NEMA), the state of South Dakota voted to adopt the 2011 NEC, with several exceptions, one of which clarifies the use of nonmetallic sheathed cables in: one- and two-family dwellings and accessory structures; multifamily dwellings, farmsteads, and accessory structures; and other structures. The effective date for this change is July 1, 2011. Visit the NEMA website for additional details on this adoption news.

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: Icy hot

Code Quandaries

Code Q&A

By Mike Holt

Q. What are the grounding requirements for a portable generator?

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

Code Challenge

Code Quiz

By Steven Owen

When bonding metal parts and equipment of electric sign or outline lighting systems, when is it permissible to omit the bonding connection to an equipment grounding conductor?

  1. Never.
  2. Only when the nominal voltage is less than 250V to ground.
  3. Only when the nominal voltage is more than 250V to ground.
  4. When the remote metal parts of section signs or outline lighting systems are supplied only by a remote Class 2 power supply.
Visit EC&M's website for the answer and explanation.

On Demand Media

EC&M partnered with NEC expert Mike Holt to present a one-hour webinar covering the most important Code requirements for solar PV systems. This event is now available on demand here via the EC&M website.

EC&M partnered with NEC expert Mike Holt to present a one-hour webinar covering the top 2011 NEC Code changes. This event is now available on demand here via the EC&M website.

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