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Federal Register / Vol. 86, No. 1 / Monday, January 4, 2021 / Rules and Regulations testing costs, and costs related to certification and would not increase energy savings because original equipment manufacturers already consider efficient small electric motors as a design option to meet the energy conservation standards for those finished products regulated by DOE. Id.
They added that an expanded scope to include definite and special purpose motors could impact the availability of replacement parts. They noted that home appliances and heating, ventilation, and air conditioning HVAC equipment have long lifetimes and often have sizing constraints. They asserted that, if motor sizes increase in response to efficiency requirements, replacement motors may no longer fit in those products using small electric motors.10 AHAM and AHRI, No. 85 at p. 3
The CA IOUs and Efficiency Advocates supported expanding the scope of the small electric motors test procedures to cover a broader range of motors. In their view, DOE should expand the scope of the small electric motors test procedure to address a wide range of motors that the market considers small. CA IOUs, No. 86 at p. 2 The Efficiency Advocates stated that DOE previously found that motors with the same characteristics as currently regulated small electric motors are widely available in larger horsepower ranges. They referenced DOEs preliminary identification presented in the July 2017 RFI of 11
motor categories that may represent significant shipment volumes and energy consumption and that were capable of being tested using existing test procedures. The Efficiency Advocates stated that these motor categories include both inefficient designs e.g., shaded-pole and highefficiency topologies e.g., permanent magnet and switched reluctance.
Efficiency Advocates, No. 87 at p. 1
As previously stated, DOE is not modifying the test procedures scope.
The test procedure continues to apply only to small electric motors that are currently subject to DOEs existing test procedure at 10 CFR 431.444. As explained in the March 2010 final rule, under the definition of small electric motor prescribed by EPCA, CSIR, CSCR, and polyphase motors are the 10 One of the methods for improving the efficiency of an electric motor is to increase its stack lengthi.e., the number of rotors and stators that are stacked together to fit along a given motors shaft. While this may increase the efficiency of a given motor with specified horsepower and torque ratings, it also results in increasing the overall dimensions of the motor, thereby affecting its ability to fit within a given application.

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only motor categories that are general purpose motors which is a key element to the statutory definition of this term, and therefore the only categories for which DOE has authority to regulate as a small electric motor. 75 FR 10874, 10881. Special purpose and definite purpose motors are not general purpose motors and therefore are not covered under the statutory or regulatory definition of small electric motor and are not small electric motors under DOEs statutory or regulatory framework.11 See 42 U.S.C. 631113G
defining small electric motor, 42
U.S.C. 631113C defining definite purpose motor and 42 U.S.C.
631113D defining special purpose motor; see also generally 10 CFR
431.442
In the July 2017 RFI, DOE indicated that it may consider setting test procedures for electric motors that are considered small by customers and the electric motors industry, but that are not currently subject to the small electric motor test procedure. 82 FR
35468, 3547035471. DOE discussed that the motors identified in the July 2017 RFI may have similarities to motors that are currently regulated as small electric motors such as horsepower and may be used in similar applications. However, DOE had not concluded that the identified motors are small electric motors or electric motors nor did DOE propose such a conclusion. While certain commenters urged DOE to expand the scope of the test procedures to include some or all of the 11 categories of motors identified in the July 2017 RFI, these commenters did not provide an explanation for how such expansion would be consistent with DOEs authority under EPCA, or how such motors should be classified and tested.
AHAM and AHRI referenced the statutory exemption regarding the application of energy conservation standards for small electric motors that are components of covered products 42
11 Under EPCA, the term definite purpose motor means any motor designed in standard ratings with standard operating characteristics or standard mechanical construction for use under service conditions other than usual or for use on a particular type of application and which cannot be used in most general purpose applications. 42
U.S.C. 631113C. Similarly, EPCA defines a special purpose motor as any motor, other than a general purpose motor or definite purpose motor, which has special operating characteristics or special mechanical construction, or both, designed for a particular application. 42 U.S.C. 631113D.
Given that EPCA treats these motors as being separate from small electric motors, and that these two categories of motors generally fall outside of general purpose motor applications, coverage of definite purpose and special purpose motors cannot be accomplished through DOEs authority to regulate small electric motors.

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U.S.C. 6317b3 and requested that DOE interpret the exemption to apply to all small electric motors destined for or used in covered products or equipment.
AHAM and AHRI, No. 85 at p. 4
By statute, the small electric motor standards established by DOE shall not apply to any such motor that is a component of a covered product, or of covered equipment. 42 U.S.C.
6317b3 Accordingly, consistent with the statute, the test procedure as amended in this final rule does not apply to a motor that is a component of a covered product, or of covered equipment.
3. Scope of the Electric Motor Test Procedure As noted in section I.B, this final rule also addresses the test procedure for electric motors in response to a petition for rulemaking.12 The current electric motor test procedure is codified at subpart B of 10 CFR part 431. DOE did not propose to amend the scope of the electric motor test procedure.
Accordingly, this final rule does not change the scope of that test procedure.
B. Industry Standards The DOE test procedures rely on industry standards that are incorporated by reference at 10 CFR 431.443 for small electric motors and 10 CFR 431.15 for electric motors. Specifically, the existing DOE test procedures for small electric motors and electric motors rely on the following test methods:
1 For single-phase small electric motors: Either IEEE 1142010, or CSA
C74709 see 10 CFR 431.443b1; 10
CFR 431.443c2; 10 CFR
431.444b1;
2 For polyphase small electric motors of less than or equal to 1 hp, either Section 6.3 Efficiency Test Method A, Input-Output of IEEE 112
2004, IEEE Standard Test Procedure for Polyphase Induction Motors and Generators IEEE 1122004 or CSA
C74709 see 10 CFR 431.443b1; 10
CFR 431.443c1i; 10 CFR
431.444b2; and 3 For polyphase small electric motors of greater than 1 hp and electric motors, either Section 6.4 Efficiency Test Method B, Input-Output with Loss Segregation of IEEE 1122004; or CSA
C39010 see 10 CFR 431.443b2; 10
CFR 431.443c1ii; 10 CFR
431.444b3; 10 CFR 431.16 and Appendix B.
12 The NEMA petition and work paper are available at https www.regulations.gov/
document?D=EERE-2017-BT-TP-0047-0028. The UL
petition and supporting documentation are available at https www.regulations.gov/
document?D=EERE-2017-BT-TP-0047-0029.

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