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Code Watch

Keeping an eye on your most important electrical standard

January 19, 2012

What's Wrong Here?
Moving Violations
Code Q&A
Code Quiz

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: This emergency system needs an immediate fix.



Moving Violations

Caught by the inspector!

Check out our newest Moving Violations video.

In this episode, Joe explains why using a bonding jumper in this way ultimately made an improper connection per the NEC. The background noise is a bit loud in this video, so you might have to turn up the volume a little to hear the voices.

Code Quandaries

Code Q&A

By Mike Holt

Q. How is the conductor ampacity for photovoltaic (PV) circuits calculated?

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

Code Challenge

Code Quiz

By Steven Owen

Where flexible metal conduit (FMC) is installed, and where flexibility is not required after installation, an equipment grounding conductor is required or is not required to be installed in a flexible metal conduit?

  1. Is not required to be installed in the FMC if the requirements of 250.118(5) are met
  2. Is required to be installed in the FMC per 250.118(5)
  3. Is required to be installed and be the same size as the largest ungrounded conductor
  4. The 2011 NEC does not address this type of installation.
Visit EC&M's website for the answer and explanation.

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