Charles R. Miller, owner of Lighthouse Educational Services, teaches classes and seminars on the electrical industry. He is the author of “Illustrated Guide to the National Electrical Code” and NFPA’s “Electrical Reference.” He can be reached at 615....
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This is the third article of the series reviewing the most popular questions that have appeared in NECA’s online Code Question of the Day and have generated the most comments from subscribers. All answers have been updated to comply with the 2008 National Electrical Code...Read the Article