Free ID Electrician Exam Prep
Idaho Journeyman Electrician License Examination
Prepare for the ID Electrician exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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Idaho Electrician License License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Exam Rules, NEC Navigation & Idaho LawsYou are here
Master PSI testing rules, IDAPA 24.39.10 licensing rules, state amendments, and NEC Article 90/100 foundations.
Electrical Math, Conductors & Box Fill
Calculate Ohm's law, voltage drop, conductor ampacity derating (Table 310.16), and box/conduit fill (Article 314).
Branch Circuits, Services & Load Calculations
Size branch circuits, feeders, service entrances, standard/optional dwelling unit load calculations (Article 220).
Grounding, Motors, Special Occupancies & Timed Exams
Master Article 250 grounding, Article 430 motors, hazardous locations (500-516), pools (680), and full-length timed practice tests.
Can You Take the ID Electrician Exam?
Check if you meet the basic eligibility requirements
- •Create a DOPL Online Services account at edopl.idaho.gov, then register and pay for the exam directly through PSI at test-takers.psiexams.com/idcon/test.
- •Submit the Electrical Journeyman application with work verification forms to DOPL after passing the exam ($70 total processing: $15 application fee plus $55 license fee).
- •Bring your own 2023 National Electrical Code (NFPA 70); handbooks, commentaries and illustrated editions are not allowed.
- •Highlighting, tabbing and permanent handwritten notes in the code book are allowed; loose paper in reference material is not.
- •Bring a silent, non-programmable calculator; confirm the approved device rules in the current PSI candidate bulletin.
ID Electrician Quick Facts
Time to Get Licensed
8-12 weeks for most candidates with field experience
From start to license in hand
Retake Policy
The DOPL electrical exam bulletin states that an applicant receiving a failing grade may apply for reexamination upon payment of the exam fees; no mandatory waiting period is published.
Total Cost Breakdown
Free ID Electrician Prep Tools
100 Practice Questions
Idaho-specific questions covering NEC code, wiring methods, grounding, motors, and load calculations
AI-Powered Learning
Get instant explanations with NEC article references for every practice question
2026 Updated
Aligned to NEC 2023 and IDAPA 24.39.10 as currently adopted by Idaho for electrician licensing
Free Access
All Idaho electrician study guide chapters and practice questions are free — no account required
What You'll Study
13 chapters covering the exam topics in this guide
Chapter 1: Exam Orientation, NEC Navigation & Idaho Regulations
4 sections
Chapter 2: Electrical Theory & Essential Math Calculations
4 sections
Chapter 3: Conductors, Raceways & Box Sizing Calculations
4 sections
Chapter 4: Branch Circuits & Overcurrent Protection
4 sections
Chapter 5: Feeders, Services & Outside Branch Circuits
4 sections
Chapter 6: Load Calculations: Dwellings & Commercial
4 sections
Chapter 7: Grounding and Bonding: Systems & Electrodes
3 sections
Chapter 8: Grounding and Bonding: Equipment & Enclosures
3 sections
Chapter 9: Wiring Methods, Cables & Conduits
4 sections
Chapter 10: Equipment for General Use: Devices, Luminaires & Appliances
4 sections
Chapter 11: Motors, Motor Circuits & Controllers
4 sections
Chapter 12: Special Occupancies & Hazardous Locations
4 sections
Chapter 13: Special Equipment, Emergency Systems & Renewable Energy
5 sections
ID Electrician Exam Details
Idaho Journeyman Electrician License Examination
Administered by Idaho Electrical Board / Idaho Division of Occupational and Professional Licenses (DOPL)
Exam Content Breakdown
Based on the official Idaho Electrical Board / Idaho Division of Occupational and Professional Licenses (DOPL) content outline
NEC Article 90 purpose, scope and code arrangement, plus Idaho Code Title 54 Chapter 10 and IDAPA 24.39.10 licensing, permit and inspection rules. 7 of 100 items on the DOPL Journeyman breakdown.
Article 100 definitions and Article 110 general requirements, including conductor terminations (110.14), working space (110.26) and equipment marking. 5 of 100 items.
Branch circuits (210), load calculations (220), outside branch circuits and feeders (225), feeders (215), services (230), overcurrent protection (240) and grounding and bonding (250). 20 of 100 items — the largest single block.
General wiring requirements (300), conductor ampacity and derating (310), cabinets and boxes (312, 314), cable assemblies (320, 330, 334) and raceways (342, 344, 348, 352, 358). 20 of 100 items.
Switches (404), receptacles (406), panelboards (408), luminaires (410), appliances (422), fixed electric space heating (424), motors (430), air conditioning (440), generators (445) and transformers (450). 15 of 100 items.
Hazardous (classified) locations (500-506), commercial garages (511), motor fuel dispensing (514), health care facilities (517), agricultural buildings (547), marinas (555) and RV parks (551). 13 of 100 items.
Electric signs (600), electric vehicle power transfer systems (625), swimming pools and spas (680), solar photovoltaic systems (690), energy storage (706) and fire pumps (695). 7 of 100 items.
Emergency systems (700), legally required standby (701), optional standby (702), interconnected power sources (705), Class 1/2/3 circuits (725), fire alarm systems (760) and optical fiber (770). 5 of 100 items.
Communications circuits, coaxial cable and network-powered broadband systems, which stand independent of Chapters 1 through 7 unless specifically referenced. 3 of 100 items.
Conduit fill percentages (Table 1), raceway dimensions (Table 4), conductor dimensions (Table 5) and conductor properties including circular mils and DC resistance (Table 8). 3 of 100 items.
Stand-alone calculation items scored separately from the NEC chapter blocks on the DOPL Journeyman breakdown, covering Ohm's law, voltage drop and load calculations. 2 of 100 items.
What's Included
13 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required

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What's Next After the ID Electrician?
After passing the ID Electrician, you can pursue these career paths
Idaho Master Electrician
Sit the Idaho Master Electrician exam (75% to pass) after holding an active Idaho journeyman license for at least four years, per the Idaho Electrical Board.
Idaho Electrical Contractor
Obtain an Idaho Electrical Contractor license to bid, pull permits, and operate an independent electrical contracting business in the state.
NASCLA Accredited Journeyman Electrician
Pursue multi-state electrical credentialing through the NASCLA trade examination program where recognized across participating jurisdictions.
ID Electrician Exam FAQ
Official Idaho Electrical Board / Idaho Division of Occupational and Professional Licenses (DOPL) Resources
Verify information with these official sources
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