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Transformer Efficiency Requirements in the USA

To Our Valued Customers,

You may already know that The Energy Policy Act of 2005 (EPACT 2005) was enacted on August 8, 2005 by USA Congress. EPACT 2005 requires that low voltage dry-type distribution transformers manufactured after January 1, 2007, meet the Class I Efficiency Levels for distribution transformers specified by NEMA TP-1 standards. DOE (USA Department of Energy) Office of Energy Efficiency and Renewable Energy published its FINAL RULE effective May 30 th , 2006. This Final Rule sets the standards for Efficiency, Test procedures and Enforcement that apply to Low Voltage dry type transformers with; - Input voltage of 600 Volts or less - Rated for operation at a frequency of 60 Hertz. - 15kVA to 2500kVA

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Natural Resources Canada - C802 update

To Our Valued Customers,

I am sure you recall when NRC's (Ministry of Natural Resources Canada) Energy efficiency Regulations for Dry Type Transformers came into effect January 1, 2005 requiring that dry type transformers manufactured in or imported to Canada meet minimum efficiency values specified by CSA C802 standards. You may also recall how some manufacturers persistently undermined the widespread implementation of the regulation by using some ambiguous wording in the regulation as a loophole to avoid compliance.

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