Residential Electrical Inspector (E1) Practice Exam

The Residential Electrical Inspector's duty is responsible for inspecting indoor and outdoor electrical systems, which includes services, conductors, equipment, fixtures, appliances, devices, and electrical appurtenances for one- and two-family dwellings. These inspections are limited to installations or alterations up to 120/240 volts, single phase, and up to 400 amperes.

Who should take the exam?

The Residential Electrical Inspector (E1) exam is ideal for individuals interested in pursuing a career in residential electrical inspection. This includes:

• Candidates with experience in construction, electrical work, or related fields who want to transition into electrical inspection.
• Electricians, inspectors in other areas (e.g., plumbing, building), or individuals in the construction industry aiming to expand their skill set and career opportunities.
• Individuals who want to become independent electrical inspectors and offer their services to homeowners, builders, and contractors.

Exam Details

• Exam Code: E1
• Exam Name: Residential Electrical Inspector
• Exam Languages: English
• Time Duration: 2-hour limit
• Exam Questions: 60 Questions
• Exam Type: Open Book

Residential Electrical Inspector (E1) Exam Course Outline 

The Exam covers the given topics  - 

Topic 1: Basic Requirements 10%

• Project Administration
• Public Information and Legal
• Electrical Theory
• Clearances and Guarding
• Connections and Splices
• Conductors

Topic 2: Learn about Services 17%

• Service Size and Rating
• Service Grounding and Bonding
  

Topic 3: Understand Branch Circuit and Feeder Requirements 28%

• Feeders
• Branch Circuit and Feeder Calculations
• Branch Circuit Ratings and Overcurrent Protection
• Required Branch Circuits
• Panelboards

Topic 4: Understand Wiring Methods And Power and Lighting Distribution 21%

• Installation Methods
• Branch Circuit Required Outlets
  
• Branch Circuits – GFCI
• Boxes and Enclosures
• Equipment Grounding
• Flexible Cords
• Class 2 Circuits

Topic 5: Learn about Devices, Lighting Fixtures, and Appliances 19%

• Switches and Receptacles
• Light Fixtures
• Appliances
• Heating and Cooling Equipment

Topic 6: Learn about Swimming Pools and Similar Installations 5%

• Swimming Pool Wiring