Inspecting Commercial Electrical Systems

Service Entrance Clearances

2 Topics

Service Entrance Components

2 Topics

Overhead Service Components

Underground Service Components

Multiple Services

Observations and Field Questions

2 Topics | 1 Exam

Inspection Checklist

Quiz #5: Service Entrance

Main Service Equipment

5 Topics

Main Panelboard

Main Service Disconnect

Service Disconnect Inspection Factors

3 Topics | 1 Exam

Grouping of Disconnects

Service Disconnect Access to Occupants

Quiz #6: Main Service Equipment

Electric Panels

Panelboards and Subpanels

Panel Enclosures

2 Topics

Types of Enclosures

Panel Components

Overcurrent Protection

7 Topics

Inspection Considerations

Inspection Considerations

Matching Main Breaker with Panel

Labels and Markings

Dead Front Cover

Issue Prone Panels

4 Topics

Safety Concerns

Federal Pacific Stab-Lok

Transformers

2 Topics

Step-Up vs. Step-Down

Determining the Type of Transformer

Transformer Inspection Video

Common Issues and Reporting Practices

Observations and Reporting

5 Topics | 1 Exam

Common Defects #1

Common Defects #2

Using Schedules

Inspection Checklist

Electrical Room Inspection Video

Quiz #7: Panelboards/Subpanels, Transformers, and Common Defects

2 of 4

Previous Lesson

Step-Up vs. Step-Down

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