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Yes, use Figure 430.1. This shows which Part of Article 430 applies to a given aspect of motor application and installation.
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Table 430.5 provides a summary of other articles that may apply. For example, if the motor is part of a fire pump, then Article 695 will apply. Please note that Chapters 1 through 4 apply generally to all installations.
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It's one that is arranged for starting by first energizing part of its primary (armature) winding and, subsequently, energizing the remainder of this winding in one or more steps [430.2].
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You base it on the motor nameplate current rating [430.6(A)(2)].
- Lower. The value for the motor marked D is 4.0 to 4.49; the value for the motor marked K is 8.0 to 8.99 [Table 430.7(B)].
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