NEMA stands for the National Electrical Manufacturers Association, which has established standards for several categories of electrical components, including motors.

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NEMA Premium is a level of efficiency assigned to certain motors. NEMA Premium motors are higher efficiency motors, thus making them a more cost-effective investment over time.

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The motors and drives may be associated with any heating, ventilation and/or air conditioning equipment operating at least 3000 hrs per year. Please describe the motor use in the first column of the Motor Inventory form, using the list of abbreviations on page 3. If your motor use is not represented in the list of provided abbreviations, please describe the application. If your motor is being used in an industrial process and/or employs a modulating device, please consider submitting a Custom Incentives for Business Program application.

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A variable frequency drive (VFD) refers to AC drives only and a variable speed drive (VSD) refers to either AC drives or DC drives. VFDs vary the speed of an AC motor by varying the frequency to the motor. VSDs referring to DC motors vary the speed by varying the voltage to the motor.

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No. The Variable Speed Drive incentives are only available for the installation of a new, electronic VSD on applications where no speed control of any kind existed previously. If you are replacing an existing speed control, your project may be eligible for the Custom Incentives for Business program.

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TEFC stands for "totally enclosed fan-cooled." This means that the motor casing is completely sealed with a fan blowing over it. ODP stands for "open drip-proof." This means that the motor casing has open vents that allow for cooling.

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That information should be on the nameplate of the motor.

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That information should be on the nameplate of the motor.

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A load factor is the average power divided by the peak power, over a period of time.

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If an existing facility is adding a motor for a new application (i.e., an additional chilled water pump motor), it should be considered new construction, and code-compliant efficiency is used for the baseline case.

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Yes. Replacing an existing motor with a new motor of a smaller size is an eligible project. However, if the new motor is greater than 200 hp (nominal rating) and/or the project will involve a change in the annual operating hours, the project should be submitted to the Custom Incentives for Business program.