---
id:
aliases:
  - nec-430
tags:
  - authorship/other
  - destiny/uncertain
  - exclude-from-word-count
  - status/incomplete
  - topic/construction/electrical
  - type/media
title: Article 430 Motors, Motor Circuits, and Controllers
---
# Article 430 Motors, Motor Circuits, and Controllers

## Part I. General

### 430.1 Scope.

This article covers motors,
motor branch-circuit and feeder conductors and their protection,
motor overload protection, motor control circuits,
motor controllers, and motor control centers.

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## Part II. Motor Circuit Conductors

### 430.21 General.

Part II specifies ampacities of conductors
that are capable of carrying the motor current
without overheating under the conditions specified.

Part II shall not apply to motor circuits rated over 1000 volts, nominal.

Informational Note:
For over 1000 volts, nominal, see Part XI.

Articles 250, 300, and 310 shall not apply
to conductors that form an integral part of equipment,
such as motors, motor controllers, motor control centers,
or other factory-assembled control equipment.

Informational Note:
See 110.14(C) and 430.9(B) for equipment device terminal requirements.

### 430.22 Single Motor.

Conductors that supply a single motor
used in a continuous duty application
shall have an ampacity of not less than 125 percent
of the motor full-load current rating,
as determined by 430.6(A)(1),
or not less than specified in 430.22(A) through (G).

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