1 Scope

1.1 These requirements cover motor-operated appliances to be employed in accordance with the National Electrical Code, NFPA 70.

1.2 These requirements also cover small utilization appliances, such as vibrators in which motion of an operating part is produced by electrical means.

1.3 These requirements do not cover appliances rated more than 600 V; nor do they cover appliances involving universal motors rated more than 250 V.

1.4 These requirements do not cover equipment intended particularly for the control of electric motors; separator motors; nor electric clocks, fans, clothes dryers, washing machines, hair dryers, tools, waste disposers, dishwashers, office appliances and business equipment, refrigerators, air conditioners, vending and amusement machines, hair clippers and shavers, snow movers, automotive and garage equipment, or other motor-operated appliances that are covered by individual requirements.

1.5 An appliance that utilizes some other source of energy, such as gas or steam, in addition to electric energy will be investigated under these requirements and under such additional requirements as are applicable to the appliance under consideration.

1.6 Manually operated die-cutting machines without electrical parts need only comply with the following applicable requirements. Industrial machines of this type are not addressed by these requirements.

a)    Protection Against Injury to Persons - Sections 32 - 36 and 41;

b)    Performance - Section 58;

c)    Markings - 70.1 (excluding electrical rating); and

d)    Instruction Manual - Section 71.

1.7 Deleted.

Summary of Topics

This revision of ANSI/UL 73 dated December 14, 2022 includes clarification on the temperature limit of the capacitor; Table 46.1.