Article 430 covers motors, motor conductors, motor protection, motor controllers, motor control circuits, and motor control centers. Section 430.6(A)(1) explains for a motor of this type, Table 430.250 that shows the full-load current (FLC) of motors, shall be used to determine the ampacity of conductors or ampere ratings of switches, branch-circuit short-circuit and ground-fault protection, instead of the actual ampere rating marked on the motor nameplate. Section 430.6(A)(2) indicates the ampere rating (FLA) provided on the motor nameplate is used to size the overload protective devices that protects the motor, motor controller, and motor branch-circuit conductors. Overloads are not a fault condition, overloads happen when there is excessive current in the circuit. Have four years experience as an apprentice plumber. 0 Comments Have spent at least 1,900 hours per year during these four years as an apprentice. Online - Live Instructor Led Electrical Exam Preparation Class. Residential appliance installer practice test. An overload is where the current is more than the equipment ampere rating and the overload may result in overheating and damaging equipment. Other exams such as the Residential Appliance Installer, Texas Journeyman Lineman. Overload protection does not protect against short-circuits or ground-fault currents.
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