Code 3 Lesson 6 questions and answers Graded A+
Code 3 Lesson 6 questions and answers Graded A+ In addition to determining the proper OCPD ampere rating for an application what criteria is important when selecting overcurrent devices - All of the above In some cases momentary high inrush currents during motor starting can reach as high as ___ times the normal running current amperes during the first 1/2 cycle - 20 When an Ac Moto is started across the line an inrush current greater than the motor full load current rating occurs for up to serval seconds - True Most circuit breakers and fuses would nuisance open upon motor startup if they were sized to provide motor and branch circuit overload protection. As a result motor branch circuits are permitted by the NEC requirements to have separate overcurrent protective devices - True Which NEC requirements provides the separate overload device rating or trip setting requirement for continuous duty lotus greater than one horsepower - 430.32 A1 Some fuses can be sized to provide both branch circuit and short circuit protection and also motor branch circuit overload protection
Información del documento
- Subido en
- 8 de abril de 2026
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- 3
- Escrito en
- 2025/2026
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- Examen
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