Inspecting Commercial Electrical Systems

Section: 5 Distribution and Devices
Overview
Branch Distribution
Branch Circuit Distribution
5 Topics
Basics
Wire Gauge
Wire Material
Color-Coding Wires
Matching Overcurrent Device and Wire Gauge
Components of Branch Distribution
Types of Branch Distribution
Cables
3 Topics
Overview
Nonmetallic Cables
Armored Cables and Metal-Clad Cable
Conduit
6 Topics
Overview
RMC
IMC
EMT
FMC
LFMC
Other Types of Branch Distribution
5 Topics
Busways
Wiremold
Cable Trays
Wireways and Auxiliary Gutters
Flexible Cords
Observations and Field Questions
4 Topics | 1 Exam
Common Defects #1
Common Defects #2
Common Defects #3
Field Questions
Quiz #8: Branch Distribution
Outlets and Receptacles
Outlets and Receptacles
2 Topics
Overview
How a Receptacle Works
Installation of the Ground Conductor
Types of Receptacles
3 Topics
Basics
Single-Phase Receptacles
Three-Phase Receptacles
Receptacle Locations #1
Receptacle Locations #2
Testing Receptacles
3 Topics | 1 Exam
Inspection Considerations
Defects Indicated by the Receptacle Testers
Overview of Inspection Tools
Quiz #9: Outlets and Receptacles
GFCI and AFCI Protection
6 Topics
Basics
GFCI Protection
Testing and Reporting on GFCI Receptacles and Breakers
AFCI Protection
Testing and Reporting on AFCI Receptacles and Breakers
Testing and Reporting on AFCI- and GFCI-Protected Devices
Observations and Field Questions
2 Topics | 1 Exam
Common Defects
Field Questions
Quiz #10: GFCI and AFCI Protection
Switches and Lighting
Switches
2 Topics
Basics
How a Switch Works
Types of Switches
7 Topics
Basics
Toggle
Button
Rheostat/Dimmer
Motion/Occupancy Sensor
Three-way Switches
Four-way Switches
Common Defects
Lighting
3 of 4
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Installation of the Ground Conductor

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