Grounding and Bonding — Part 1 of 2

Grounding and Bonding — Part 1 of 2

Article 250 provides the requirements for grounding and bonding. In Part 1 of this two-part series, our focus turns to how the 2014 NEC revisions affect grounding.

Among the revisions to Art. 250, the 2014 NEC made some important wording changes that clear up confusion. For example, the NEC previously used the terms “service laterals” and “service drops.” But these aren’t the only two ways electricity can get to an electric utility-supplied building [250.24]. The 2014 NEC uses more inclusive language to reflect the real world. Several other instances of word changes in the 2014 NEC improve Art. 250.

Other changes are more prescriptive. For

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