Code Quiz

Nov. 17, 2011
With respect to objectionable currents, when are temporary currents not considered to be objectionable currents?

With respect to objectionable currents, when are temporary currents not considered to be objectionable currents?

  1. No currents are considered objectionable.
  2. Temporary currents resulting from abnormal conditions such as ground faults, shall not be classified as objectionable current with respect to 250.6(A) and (B).
  3. Temporary currents resulting from any condition, such as a bolted fault, shall not be classified as objectionable current with respect to 250.6(A) and (B).
  4. All fault currents are considered objectionable.

Answer: B

As noted in 250.6(C), "Temporary currents resulting from abnormal conditions such as ground faults, shall not be classified as objectionable current with respect to 250.6(A) and (B).

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].

About the Author

Steven Owen

Voice your opinion!

To join the conversation, and become an exclusive member of EC&M, create an account today!

Sponsored Recommendations

Electrical Conduit Comparison Chart

CHAMPION FIBERGLASS electrical conduit is a lightweight, durable option that provides lasting savings when compared to other materials. Compare electrical conduit types including...

Fiberglass Electrical Conduit Chemical Resistance Chart

This information is provided solely as a guide since it is impossible to anticipate all individual site conditions. For specific applications which are not covered in this guide...

Considerations for Direct Burial Conduit

Installation type plays a key role in the type of conduit selected for electrical systems in industrial construction projects. Above ground, below ground, direct buried, encased...

How to Calculate Labor Costs

Most important to accurately estimating labor costs is knowing the approximate hours required for project completion. Learn how to calculate electrical labor cost.