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NECA 411-2006
- Standard for Installing and Maintaining Uninterruptible Power Supplies (UPS)
- standard by National Electrical Contractors Association, 2006
- Publisher: NECA
$20.00$40.00
Describes installation and maintenance procedures for permanently installed, static, three-phase Uniterruptible Power Supplies (UPS) rated 30 kVA or more and rated 600 volts or less and related battery systems installed indoors and outdoors for commercial, institutional, and industrial applications. NECA 411 is approved as an American National Standard (ANS).
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NECA 303-2005
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