Texas Journeyman Industrial Electrician

Texas Journeyman Industrial Electrician Exam: Complete 2026 Study Guide

You've put in the hours on the job. Now it's time to make it official. The Texas Journeyman Industrial Electrician exam is the final hurdle between you and a credential that opens doors to better pay, more job sites, and professional recognition in Texas. This guide covers everything you need to know — exam format, topic breakdown, sample questions, required materials, and proven study strategies — so you walk into that testing center ready.

Exam Overview

The Texas Journeyman Industrial Electrician exam is administered by PSI on behalf of the Texas Department of Licensing and Regulation (TDLR). Here's what to expect on test day:

• Scored questions: 60
• Non-scored (pilot) questions: 5 additional items used for future exam development — they don't count toward your score
• Total questions you'll see: 65
• Time limit: 180 minutes for the 60 scored items, plus an additional 20 minutes for the 5 non-scored items
• Passing score: 70%, which means you need at least 42 of the 60 scored questions correct
• Exam fee: $64 (paid again for each retake)
• Format: Computer-based, open book

This is an open-book exam, which sounds like a safety net — but don't be fooled. The NEC is a dense document, and you won't have time to look up every answer. Speed and familiarity with the code matter just as much as knowing where to find things.

For scheduling details and eligibility requirements, check the official exam bulletin or the state licensing website.

Topics Covered on the Texas Journeyman Industrial Electrician Test

The exam draws from 10 topic areas. Here's how the real exam weighs them, from heaviest to lightest:

• Electrical Wiring Methods and Electrical Materials — 10 items: conductor ampacity, temperature ratings, underground installation requirements, box fill calculations, and physical protection of cables through framing members
• Branch Circuit Calculations and Conductors — 6 items: the 125% rule for continuous loads, overcurrent protection sizing, GFCI requirements, and ampacity correction/adjustment factors
• Electrical Equipment and Devices — 6 items: switches, receptacles, panelboards, motor circuit conductors, and motor control centers
• Special Occupancies, Equipment, and Conditions — 6 items: hazardous location classification, protection techniques, approved wiring methods, sealing requirements, and equipment T-codes
• Definitions, Theory, and Plans — 7 items: NEC purpose, scope, code arrangement, mandatory vs. permissive rules, and the role of the AHJ
• Motors and Generators — 7 items: conductor sizing, overload protection, branch-circuit protection ratings, controller requirements, and nameplate markings
• Electrical Safety — 7 items: hazardous location classification and wiring methods, sealing and drainage, grounding and bonding in classified locations, and equipment protection techniques
• Electrical Services, Service Equipment, and Separately Derived Systems — 4 items: service conductor clearances, disconnecting means, service entrance sizing, OCPD requirements, and grounding/bonding
• Electrical Feeders — 4 items: minimum ampacity for continuous loads, feeder OCPD ratings, load calculations with demand factors, and equipment grounding conductor sizing
• Electrical Control Devices and Disconnecting Means — 3 items: motor disconnect location and rating requirements, switch ratings, controller design, and industrial control panel short-circuit ratings

Focus your study time where the real exam puts the most weight — wiring methods, branch circuits, equipment and devices, special occupancies, motors, definitions, and safety each carry six or seven items.

Sample Questions

Here are a few questions drawn from the types you'll see on the Texas Journeyman Industrial Electrician exam. Read through them carefully — then think about where you'd look in the NEC before checking.

Question 1 (Special Occupancies)
Emergency systems must be capable of providing power within what maximum time period after failure of the normal supply?
- A) 5 seconds
- B) 10 seconds
- C) 15 seconds
- D) 30 seconds

Question 2 (Definitions, Theory, and Plans)
In the NEC code arrangement, which chapters apply generally to all electrical installations?
- A) Chapters 1 through 9
- B) Chapters 1, 2, 3, and 4
- C) Chapters 5, 6, and 7
- D) Chapter 8 only

Question 3 (Definitions, Theory, and Plans)
According to NEC 90.2(B), compliance with the Code and proper maintenance results in an installation that is essentially free from hazard but NOT necessarily which of the following?
- A) Safe for occupancy
- B) Efficient, convenient, or adequate for good service or future expansion
- C) In compliance with local building codes
- D) Suitable for inspection by the authority having jurisdiction

Question 4 (Motors and Generators)
Connectors and couplers may be used to connect lengths of portable power feeder cable together in a run when rated over 2000 volts. (True/False)

Question 5 (Electrical Wiring Methods and Electrical Materials)
What is the minimum clearance required between cables/raceways and metal-corrugated roof decking?
- A) 25 mm (1 in.)
- B) 32 mm (1¼ in.)
- C) 38 mm (1½ in.)
- D) 50 mm (2 in.)

Know how you'd answer these? Take our free practice exam to test yourself with 10 questions at no charge — no account needed.

What Types of Questions to Expect

Our full practice bank contains 494 questions across all 10 exam topics. Here's what each section actually tests — and how many practice questions we offer for each:

• Definitions, Theory, and Plans (49 practice questions): NEC structure, scope and purpose, mandatory vs. permissive rules ("shall" vs. "shall be permitted"), AHJ authority, and code hierarchy across Chapters 1–9
• Electrical Services, Service Equipment, and Separately Derived Systems (28 practice questions): Overhead and underground service clearances, maximum number of service disconnects, service conductor sizing, OCPD and ground-fault protection, main bonding jumpers, and grounding electrode systems
• Electrical Feeders (45 practice questions): The 125% rule for continuous loads, feeder OCPD ratings, load calculations using demand factors, ground-fault protection for 1000A+ disconnects, and EGC sizing
• Branch Circuit Calculations and Conductors (77 practice questions): Continuous and noncontinuous load calculations, circuit ratings from 10A to 50A+, small conductor OCPD limits under 240.4, Table 310.16 ampacity lookups, temperature correction factors, and GFCI location requirements
• Electrical Wiring Methods and Electrical Materials (70 practice questions): Conductor temperature ratings, ampacity adjustment for bundled conductors, Table 300.5 cover depth requirements, physical protection through structural framing, and box and conduit body fill calculations
• Electrical Equipment and Devices (42 practice questions): Switch types and ratings under Articles 404 and 408, receptacle grounding per Article 406, panelboard and switchboard construction, motor branch-circuit conductors and overload protection under Article 430
• Motors and Generators (64 practice questions): Conductor sizing under 430.22 and 430.24, overload selection and rating under 430.32, branch-circuit short-circuit protection per Table 430.52(C)(1), controller ratings, disconnecting means requirements, and locked-rotor code letter lookups
• Electrical Control Devices and Disconnecting Means (21 practice questions): Motor disconnect location and rating, switch load control limitations, controller use as a disconnect, and industrial control panel OCPD and short-circuit current ratings
• Special Occupancies, Equipment, and Conditions (49 practice questions): Class I/II/III, Division 1/2, and Group A–G classification; explosionproof and dust-ignitionproof protection techniques; permitted conduit and cable types in hazardous locations; seal placement and compound fill limits; and equipment T-code markings
• Electrical Safety (49 practice questions): Hazardous location classification, approved wiring methods, sealing and drainage in conduit and cable systems, grounding and bonding in classified locations, and protection techniques including intrinsic safety and purged/pressurized systems

Required and Recommended Study Materials

Required: The NEC

This is an open-book exam — but you must bring your own copy. The required reference is the NEC 2023 (National Electrical Code, 2023 Edition). Only soft-bound editions are permitted. Loose-leaf, spiral-bound, and ring-bound copies are not allowed, so double-check your copy before test day.

You may highlight, underline, and add written notes before the exam. You may also tab the book — but only with permanent index tabs manufactured or provided by the NEC book publisher. Homemade or DIY tabs are not allowed, and you cannot write in or mark your book during the exam session itself.

Recommended: Tabs and Highlighters

A well-organized NEC is the difference between a quick look-up and a costly time sink on exam day.

Redi-Tag Permanent Colored Tabs are a practical choice — 100 laser tabs in five colors (purple, green, blue, dark blue, and orange) with a strong permanent adhesive that stays put through repeated page-flipping. Color-code by chapter, topic, or whatever system makes the most sense to you.

Sharpie Tank Highlighters work well for marking key definitions, table titles, and exception language. The chisel tip handles underlining and margin notes, and the fluorescent ink stands out clearly on NEC pages. The 12-pack gives you enough colors to build a consistent coding system across the whole book.

Study Tips for the Texas Journeyman Industrial Electrician Exam

Treat it like an open-book exam — not an open-internet exam. You have 180 minutes for 60 scored questions. That's 3 minutes per question, which sounds generous until you're hunting through Article 430 for a motor protection table. Know your NEC well enough that you're confirming answers, not discovering them.

Work through every question once. Answer the ones you know, skip the ones you don't, and flag the skipped ones for review. Our practice exam lets you bookmark questions for later — exactly like the real thing. Don't sink 10 minutes into a single question while the clock runs.

Only select answers that directly respond to the question asked. An answer can sound plausible or even factually true without actually addressing what was asked. After you choose, re-read the question and your answer together to confirm the match.

Manage pre-exam nerves like a pro. A little anxiety is normal and even helpful. If you feel yourself spiraling on a tough question, pause, take a few slow breaths, and reset. If your test center allows a break, use it — just keep in mind the clock typically keeps running.

Prioritize the heavy hitters first. Wiring methods, branch circuit calculations, motors, special occupancies, definitions, and safety together make up the bulk of the exam. Build your strongest footing there before moving to the lighter-weighted topics.

Frequently Asked Questions

How much does the Texas Journeyman Industrial Electrician exam cost?
The exam fee is $64. If you need to retake it, you'll pay the fee again, so solid preparation upfront is worth the investment.

How many questions are on the exam?
You'll see 65 questions total — 60 scored items and 5 non-scored pilot questions used for future exam development. The 5 non-scored questions do not affect your score.

How long do I have to complete the exam?
You get 180 minutes for the 60 scored items, plus an additional 20 minutes for the 5 non-scored items — 200 minutes total.

What is the passing score?
70% of the scored questions, which works out to 42 of 60 questions correct.

Is the exam open book?
Yes. You must bring your own NEC 2023 (soft-bound only). No loose-leaf, spiral-bound, or ring-bound copies.

Can I tab or highlight my NEC?
Yes — before the exam. You can highlight, underline, add written notes, and use permanent index tabs manufactured by the NEC publisher (like Redi-Tag Permanent Colored Tabs). Homemade tabs are not allowed, and you cannot write in or mark your book during the exam itself.

How do I schedule the exam?
After TDLR approves your eligibility, you'll receive instructions to schedule through PSI. You can register at the exam registration page, by phone at (833) 333-4741, or by mail using the form in the candidate bulletin.

What ID do I need to bring?
One valid government-issued photo ID (driver's license, state ID, or passport) that includes your name, photograph, signature or fingerprint, date of birth, and expiration date.

Can I bring a calculator?
Yes — non-programmable only. It must be silent, battery-operated, without paper tape printing, and without an alphabetic keyboard.

When will I get my results?
Immediately. Your score appears on screen as soon as you finish. An official score report is also printed at the testing site. If you don't pass, you'll receive a diagnostic report showing your performance by subject area, which is useful for planning your next attempt.

Ready to Start Practicing?

The Texas Journeyman Industrial Electrician exam is challenging, but it's very passable with the right preparation. Get your NEC 2023, tab it with Redi-Tag tabs, mark the key sections with Sharpie highlighters, and start working through practice questions.

Begin with our free practice exam — 10 questions, no account required, no cost. When you're ready for a full simulation that matches the real exam's question count, timing, and topic breakdown, upgrade to the full practice exam for detailed scoring by topic so you know exactly where to focus.

You've done the hard work on the job. Let the credential catch up to your skill.