Marne and Associates, Inc. specializes in the electrical codes governing electric and communication utilities in the United States and provides National Electrical Safety Code® (NESC®) training, OSHA training, reference materials, and expert witness services.

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The 2023 National Electrical Safety Code (NESC) (left) and McGraw Hill's National Electrical Safety Code (NESC) 2023 Handbook authored by David J. Marne and John A. Palmer (right)