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National Electrical Safety Code Handbook : A Discussion of the National Electrical Safety Code Grounding Rules, General Rules, and Parts 1, 2, 3, and 4 of the 3rd (1920) through 2007 Editions of the National Electrical Safety Code, American National Standard C2 / Allen L. Clapp, Editor

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National Electrical Safety Code Handbook : A Discussion of the National Electrical Safety Code Grounding Rules, General Rules, and Parts 1, 2, 3, and 4 of the 3rd (1920) through 2007 Editions of the National Electrical Safety Code, American National Standard C2 / Allen L. Clapp, Editor

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