Objectionable Current Requirements

June 23, 2014
The requirements for objectionable current are outlined in Sec. 250.6 of the 2011 NEC.

Currents that introduce noise or data errors in electronic equipment are considered objectionable currents in the context of 250.6(D) of the NEC.

a) True
b) False

See answer and applicable Code reference

The correct answer is: b) False

The requirements for objectionable current are outlined in Sec. 250.6 of the 2011 NEC. As noted in 250.6(D), "The provisions of this section shall not be considered as permitting electronic equipment from being operated on AC systems or branch circuits that are not connected to an equipment grounding conductor as required by this article. Currents that introduce noise or data errors in electronic equipment shall not be considered the objectionable currents addressed in this section."

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