Describes installation and maintenance practices for dry-type, two-winding transformers used for supplying power, heating, and lighting loads for commercial, institutional, and industrial use in nonhazardous locations, both indoors and outdoors. NECA 409 is approved as an American National Standard (ANS).
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NECA 409-2009
Original price was: $40.00.$20.00Current price is: $20.00.
Standard for Installing and Maintaining Dry-Type Transformers
National Electrical Contractors Association , 2009
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