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🔹Scope – Residential Electrical Inspector
A Residential Electrical Inspector is responsible for reviewing and inspecting electrical systems installed or altered in one- and two-family dwellings. This includes services, conductors, devices, equipment, fixtures, appliances, and appurtenances — indoors and outdoors — limited to 120/240 volts, single-phase, up to 400 amperes. The role ensures that electrical work complies with adopted codes and standards, supporting safety and code-conforming installations.
🔹 Exam Information
About the ICC Residential Electrical Inspector Exam
- Based on: 2024 International Residential Code (IRC)
- Format: Open-book, multiple choice
- Time: 2 hours (60 questions)
- Passing Score: 75%
🔹Exam Content Breakdown – 2024 Residential Electrical Inspector🔹
| Exam Section | Relevant IRC Chapters / Focus |
|---|---|
| ✅ General Requirements (10%) | Ch. 34 – General Requirements (scope, listing & labeling, conductor ID, clearances) Ch. 35 – Electrical Definitions (critical code terms, unique meanings, interpretation) |
| ✅ Services (17%) | Ch. 36 – Services (design, sizing, grounding electrode system, load calculations, conductor sizing) |
| ✅ Branch Circuit & Feeder Requirements (28%) | Ch. 37 – Branch Circuit & Feeder Requirements (load calculations, circuit ratings, required branch circuits, overcurrent protection) |
| ✅ Wiring Methods & Power/Lighting Distribution (21%) | Ch. 38 – Wiring Methods (cable, conduit, raceway installation, rough-in) Ch. 39 – Power & Lighting Distribution (receptacle/lighting outlet spacing, GFCI/AFCI protection) |
| ✅ Devices, Fixtures & Appliances (19%) | Ch. 40 – Devices & Luminaires (switches, receptacles, lighting fixtures) Ch. 41 – Appliance Installation (HVAC, water heaters, dishwashers, fixed space heating, paddle fans) |
| ✅ Swimming Pools & Similar Installations (5%) | Ch. 42 – Swimming Pools (pools, spas, hot tubs, hydromassage tubs) |
🔹 Study Tips
- Focus extra time on the highest-weighted sections — they carry the most points on the exam.
- Mark your codebook with tabs for fast navigation.
- Practice under timed conditions to simulate real test pressure.
- Use flashcards for quick lookup and instant feedback when reviewing material.
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