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This standard describes the installation and maintenance procedures for single- and three-phase general purpose dry-type distribution and power transformers and associated accessories rated 600 Volts AC or less, and 0.25 kVA or more. This publication applies to indoor and outdoor, ventilated and non-ventilated, two-winding transformers used for supplying power, heating, and lighting loads for commercial, institutional, and industrial use in nonhazardous locations
Author | ANSI/NECA |
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Editor | ANSI |
Document type | Standard |
Format | File |
Confirmation date | 2015-08-03 |
ICS | 29.180 : Transformers. Reactors
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Replace | ANSI/NECA 409 (2009) |
Year | 2015 |
Document history | ANSI/NECA 409 (2015) |
Country | USA |
Keyword | ANSI 409;409;ANSI/NECA 409-2015 |