Texas Journeyman Electrician study guide
Texas Journeyman Electrician, administered by Texas Department of Licensing and Regulation (TDLR), is mapped here as 11 topic areas; the heaviest are Branch Circuits & Conductors (18%), Wiring Methods & Materials (15%) and Equipment & Devices (14%).
About this course: Two portions, 70% on each — NEC look-ups and calculations, drilled separately.
Texas Journeyman Electrician at a glance
- Questions
- 80
- Time allowed
- 240 minutes total (130-minute NEC Knowledge portion + 110-minute Calculations portion; a separate ~15-minute untimed tutorial precedes)
- Passing standard
- 70% correct on EACH of the two portions (NEC Knowledge and Calculations)
- Format
- Open-book, computer-based at PSI test centers, multiple-choice single best answer, delivered in two independently-scored portions (NEC Knowledge + Calculations)
- Standard / edition
- Exam references the National Electrical Code (NFPA 70), 2023 Edition, NOW
- Administered by
- Texas Department of Licensing and Regulation (TDLR)
Source: Exam references the National Electrical Code (NFPA 70), 2023 Edition, NOW, Texas Department of Licensing and Regulation (TDLR). Confirm current details with the exam owner before you book.
Topic areas and weights
| Topic area | Weight | Concepts | Guide |
|---|---|---|---|
| Exam Orientation | 0% | 3 | Section below |
| Definitions, Theory & Plans | 6% | 2 | Section below |
| Services, Service Equipment & Separately Derived Systems | 13% | 1 | Section below |
| Electrical Feeders | 8% | 2 | Section below |
| Branch Circuits & Conductors | 18% | 2 | Section below |
| Wiring Methods & Materials | 15% | 2 | Section below |
| Equipment & Devices | 14% | 4 | Section below |
| Motors & Generators | 9% | 2 | Section below |
| Control Devices & Disconnecting Means | 2% | 0 | Section below |
| Special Occupancies, Equipment & Conditions | 11% | 4 | Section below |
| Renewable Energy Technologies | 4% | 1 | Section below |
Study plan in this course
- The Job Brief: Your Texas Journeyman Exam — 4 cards · free
- Theory & Plans: Ohm's Law, Definitions & the One-Line — 4 cards · free
- The Service: Load Calcs, Grounding Electrodes & SDS — 6 cards · free
- Feeders: Sizing, the EGC & Voltage Drop — 4 cards · full course
- Branch Circuits & Conductors — 7 cards · full course
- Wiring Methods: Conduit Fill, Raceways & Cable — 5 cards · full course
- Equipment & Devices: Receptacles, HVAC, Luminaires — 5 cards · full course
- Motors & Generators: FLC, Overload & Article 430 — 5 cards · full course
- Control & Disconnects: Working Space & Within Sight — 2 cards · full course
- Special Occupancies: Pools, Hazardous Locations & Emergency Power — 5 cards · full course
- Renewables: PV, EV Charging & Interconnection — 3 cards · full course
Exam Orientation
Exam Orientation is one of the 11 areas in this course's Texas Journeyman Electrician blueprint. It spans 3 concepts. The course teaches it in 1 study unit: The Job Brief: Your Texas Journeyman Exam.
What Exam Orientation covers
- It is open book — so what actually decides whether you pass? — PSI/TDLR Candidate Information Bulletin
- Which NEC edition do you bring to the exam right now, and when does that change? — PSI/TDLR Candidate Information Bulletin reference-material page
- Does passing this exam make you a licensed journeyman? — TDLR Apply for a New Journeyman Electrician License
Official references for Exam Orientation
- PSI/TDLR Candidate Information Bulletin
- PSI/TDLR Candidate Information Bulletin reference-material page
- TDLR Apply for a New Journeyman Electrician License
In the app this area comes with 4 memory cards and 4 module-quiz questions and is part of the free starting modules.
Definitions, Theory & Plans
Definitions, Theory & Plans carries 6% of the Texas Journeyman Electrician blueprint used in this course, the 8th-largest of its 10 weighted areas. It spans 2 concepts. The course teaches it in 1 study unit: Theory & Plans: Ohm's Law, Definitions & the One-Line.
What Definitions, Theory & Plans covers
- Which Article 100 definitions get tested as the whole question? — NEC 2023 Article 100
- What is the tested skill in reading a plan? — Standard blueprint-reading references
Official references for Definitions, Theory & Plans
- Standard electrical theory
- NEC 2023 Article: 100
- Standard blueprint-reading references
In the app this area comes with 4 memory cards and 5 module-quiz questions and is part of the free starting modules.
Services, Service Equipment & Separately Derived Systems
Services, Service Equipment & Separately Derived Systems carries 13% of the Texas Journeyman Electrician blueprint used in this course, the 4th-largest of its 10 weighted areas. It spans 1 concept. The course teaches it in 1 study unit: The Service: Load Calcs, Grounding Electrodes & SDS.
What Services, Service Equipment & Separately Derived Systems covers
- How many service disconnects are allowed? — NEC 2023 230.71
Official references for Services, Service Equipment & Separately Derived Systems
- NEC 2023 Article 220 Part III
- NEC 2023: 220.60, 250.66, 250.30, 230.71
- NEC 2023 Table: 220.55
In the app this area comes with 6 memory cards and 10 module-quiz questions and is part of the free starting modules.
Electrical Feeders
Electrical Feeders carries 8% of the Texas Journeyman Electrician blueprint used in this course, the 7th-largest of its 10 weighted areas. It spans 2 concepts. The course teaches it in 1 study unit: Feeders: Sizing, the EGC & Voltage Drop.
What Electrical Feeders covers
- What sizes the feeder equipment grounding conductor? — NEC 2023 250.122
- Is voltage drop a code rule? — NEC 2023 210.19 and 215.2 informational notes
Official references for Electrical Feeders
- NEC 2023 Article: 215
- NEC 2023: 215.2, 250.122
- NEC 2023 210.19 and 215.2 informational notes
In the app this area comes with 4 memory cards and 6 module-quiz questions in the full course.
Branch Circuits & Conductors
Branch Circuits & Conductors carries 18% of the Texas Journeyman Electrician blueprint used in this course, the largest of its 10 weighted areas. It spans 2 concepts.
What Branch Circuits & Conductors covers
- What are the standard breaker sizes and the next-size-up rule? — NEC 2023 240.6
- How do you count box fill under 314.16? — NEC 2023 314.16
Official references for Branch Circuits & Conductors
- NEC 2023 Table: 310.16
- NEC 2023 310.15 and: 310.15
- NEC 2023: 240.6, 314.16, 210.8, 210.19, 220.14
In the app this area comes with 7 memory cards and 15 module-quiz questions in the full course.
Wiring Methods & Materials
Wiring Methods & Materials carries 15% of the Texas Journeyman Electrician blueprint used in this course, the second-largest of its 10 weighted areas. It spans 2 concepts. The course teaches it in 1 study unit: Wiring Methods: Conduit Fill, Raceways & Cable.
What Wiring Methods & Materials covers
- How do EMT, RMC, and PVC differ? — NEC 2023 Articles 358, 344, 352
- THHN versus THWN — which one goes underground? — NEC 2023 300.5
How Wiring Methods & Materials connects to other areas
- THHN versus THWN — which one goes underground? links to What bonds a permanently installed pool? — Special Occupancies, Equipment & Conditions
Official references for Wiring Methods & Materials
- NEC 2023 Chapter 9 Tables 1, 4, and: 5
- NEC 2023 Annex C
- NEC 2023 Articles 358, 344: 352
- NEC 2023: 334.30, 300.5
In the app this area comes with 5 memory cards and 11 module-quiz questions in the full course.
Equipment & Devices
Equipment & Devices carries 14% of the Texas Journeyman Electrician blueprint used in this course, the third-largest of its 10 weighted areas. It spans 4 concepts. The course teaches it in 1 study unit: Equipment & Devices: Receptacles, HVAC, Luminaires.
What Equipment & Devices covers
- Which receptacles must be GFCI protected? — NEC 2023 210.8
- How does receptacle rating match the circuit? — NEC 2023 210.21
- How is air-conditioning equipment sized? — NEC 2023 Article 440
- What are the clothes-closet luminaire clearances? — NEC 2023 410.16
Official references for Equipment & Devices
- NEC 2023: 210.8, 210.21, 410.16
- NEC 2023 Article: 440, 422
In the app this area comes with 5 memory cards and 11 module-quiz questions in the full course.
Motors & Generators
Motors & Generators carries 9% of the Texas Journeyman Electrician blueprint used in this course, the 6th-largest of its 10 weighted areas. It spans 2 concepts. The course teaches it in 1 study unit: Motors & Generators: FLC, Overload & Article 430.
What Motors & Generators covers
- What sizes motor overload protection? — NEC 2023 430.32
- How are generator output conductors sized? — NEC 2023 445.13
Official references for Motors & Generators
- NEC 2023: 430.6, 430.32, 430.52, 430.24, 445.13
In the app this area comes with 5 memory cards and 7 module-quiz questions in the full course.
Control Devices & Disconnecting Means
Control Devices & Disconnecting Means carries 2% of the Texas Journeyman Electrician blueprint used in this course, the 10th-largest of its 10 weighted areas. The course teaches it in 1 study unit: Control & Disconnects: Working Space & Within Sight.
Official references for Control Devices & Disconnecting Means
- NEC 2023: 110.26, 430.102
In the app this area comes with 2 memory cards and 2 module-quiz questions in the full course.
Special Occupancies, Equipment & Conditions
Special Occupancies, Equipment & Conditions carries 11% of the Texas Journeyman Electrician blueprint used in this course, the 5th-largest of its 10 weighted areas. It spans 4 concepts. The course teaches it in 1 study unit: Special Occupancies: Pools, Hazardous Locations & Emergency Power.
What Special Occupancies, Equipment & Conditions covers
- What bonds a permanently installed pool? — NEC 2023 Article 680
- How are hazardous locations classified? — NEC 2023 Articles 500-503
- What is special about a fuel-dispensing facility? — NEC 2023 Article 514
- What defines an emergency system? — NEC 2023 700.12
How Special Occupancies, Equipment & Conditions connects to other areas
- What bonds a permanently installed pool? links to THHN versus THWN — which one goes underground? — Wiring Methods & Materials
Official references for Special Occupancies, Equipment & Conditions
- NEC 2023 Article: 680, 514, 517
- NEC 2023 Articles: 500-503
- NEC 2023: 700.12
In the app this area comes with 5 memory cards and 9 module-quiz questions in the full course.
Renewable Energy Technologies
Renewable Energy Technologies carries 4% of the Texas Journeyman Electrician blueprint used in this course, the 9th-largest of its 10 weighted areas. It spans 1 concept. The course teaches it in 1 study unit: Renewables: PV, EV Charging & Interconnection.
What Renewable Energy Technologies covers
- Is an EV charger a continuous load? — NEC 2023 625.41
Official references for Renewable Energy Technologies
- NEC 2023: 690.8, 625.41, 705.12
In the app this area comes with 3 memory cards and 3 module-quiz questions in the full course.
Official references
- PSI/TDLR Candidate Information Bulletin
- PSI/TDLR Candidate Information Bulletin reference-material page
- TDLR Apply for a New Journeyman Electrician License
- TDLR electrician licensing pages
- Standard electrical theory
- NEC 2023 Article: 100, 215
- Standard blueprint-reading references
- NEC 2023 Article 220 Part III
- NEC 2023: 220.60, 250.66, 250.30, 230.71, 215.2, 250.122, 240.6, 314.16, 210.8, 210.19, 220.14
- NEC 2023 Table: 220.55, 310.16
- NEC 2023 210.19 and 215.2 informational notes
- NEC 2023 310.15 and: 310.15