Circuit Breakers and Fuses

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2 hrs. Online Course
Level: Fundamental
Average Rating: (3110)

Item #: AEECF01CEN
SME: RedVector Industrial

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Course Applies To

Overview

Course Description

This course provides an in-depth examination of overcurrent protective devices, which are essential for electrical system safety and reliability. Participants will explore the causes and effects of electrical faults and overloads, learning to distinguish between different overcurrent conditions.

The course covers circuit breaker and fuse construction, operating principles, and proper selection criteria, including voltage, current, and interrupting ratings. Students will master selective coordination concepts, short-circuit calculations using the point-to-point method, and systematic troubleshooting techniques. Special attention is given to GFCI and AFCI technologies, National Electrical Code® requirements, safety protocols, and the critical role these devices play in protecting electrical systems from damage while ensuring personnel safety.

Learning Objectives

By the end of this course, you will be able to:

Explain the purpose and function of overcurrent protective devices.
Describe the effects of overcurrents, including faults and overloads, on electrical systems.
Explain the operation and identify common types of circuit breakers.
Describe the function, ratings, and types of fuses.
Compare circuit breakers and fuses in terms of operation and application.

Course Applies To:

This course can be used for CE or applies to the State Licenses and Professional Organizations listed below.

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Subject Matter Expert: RedVector Industrial

Biography

RedVector Industrial leverages over 30 years of industrial training experience and a network of more than 200 subject matter experts to provide industrial facilities with engaging course content and technology-based training solutions that help assess and improve employee skills. We offer over 1,000 cutting-edge training courses that are designed to keep your employees safe, transfer knowledge of fundamentals, develop industry and job-specific skills and help your organization improve performance.

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NOTE: State license renewal information is provided as a convenience only and is subject to change at any time. It is the ultimate responsibility of the individual to be sure that he or she is meeting continuing education requirements for each license and corresponding renewal period. Information above was pulled on Tuesday, June 9, 2026.