Code Q&A: Understanding Objectionable Current

Your most pressing National Electrical Code (NEC) questions answered

Q. The Code prohibits "objectionable currents;" what is this, what are some examples, and how can it be prevented?

A. Section 250.6 of the 2011 NEC addresses objectionable current. First of all, the Code states that to prevent a fire, electric shock, or improper operation of circuit overcurrent devices or electronic equipment, electrical systems and equipment must be installed in a manner that prevents objectionable neutral current from fl

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