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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A major revision to article 511, covering commercial repair and storage garages, appears in the 2008 National Electrical Code (NEC). The revision provides several new definitions, as well as major changes to Section 511.3 covering area classification of service and repair facilities for self-propelled vehicles...Read the Article