3.1.11 Types. - The motors shall be designed for the following types, as specified (see 6.1 and 6.2.11
3.1.12 Torque and current limitations. -
3. 1.12.1 Basis of horsepower rating. - When the breakdown torque of single-phase motors other than
the universal type is specified, the horsepower rating shall be in accordance with tables II and III.
Table II- Induction motors, except shaded-pole
and permanent-split capacitor motors.
Note 1. - Breakdown-torque range includes the higher figure down to, but not including, the lower figure
Note 2. - The horsepower rating of motors designed to operate on two or more frequencies shall be de-
termined by the torque at the highest rated frequency.