Texas Master Electrician Practice Exam

59 questions available

Build your confidence for Texas Master Electrician. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.

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Certification exam
100 Exam questions
Your practice
59 Practice questions
59 minutes Practice Time
Try 5 free questions
No account needed. A free account includes 20 questions for this exam.
The bar to clear 70 Published passing score for this certification.
Explore exam topics Official objectives from Electrician Licensing
Electrician Licensing59 practice questions

Exam overview and details

The Texas Master Electrician Exam is a comprehensive, state-mandated assessment that validates an electrician's advanced knowledge, technical proficiency, and understanding of the laws and regulations governing electrical work in Texas. Administered by the Texas Department of Licensing and Regulation (TDLR), this exam is designed for experienced journeyman electricians seeking to attain the highest non-contractor license level. It rigorously tests a candidate's ability to design, plan, layout, and supervise the installation of electrical systems, ensuring they possess the expertise to oversee complex projects and ensure code compliance. Successfully passing this 50-question exam demonstrates mastery beyond hands-on installation, encompassing system design, load calculations, safety protocols, and the Texas Electrical Safety and Licensing Act. Achieving the Master Electrician license signifies a significant career milestone, granting the legal authority to perform and supervise all types of electrical work, bid on projects, and pull permits, thereby opening doors to greater professional responsibility, leadership roles, and increased earning potential.

Sample Questions

Choose an answer and explore the explanation to see how practice works.

Definitions, Theory, and Plans

A candidate is using the Texas Master Electrician bulletin and a question does not state conductor material. Which conductor material should be assumed for the calculation?

Electrical Feeders

A feeder supplies a 90-ampere continuous lighting load and a 40-ampere noncontinuous receptacle load. What minimum load is used before selecting feeder conductor ampacity?

Special Occupancies, Equipment, and Conditions

A data equipment room is designed under the information technology equipment article with a dedicated HVAC and disconnecting arrangement. What must be verified before applying the special rules?

Electrical Feeders

A feeder taps a large switchboard to supply a nearby transformer in the same electrical room. Which issue must be checked before using tap conductors smaller than the feeder conductors?

Electrical Services, Service Equipment, and Separately Derived Systems

A 480V primary feeder supplies a transformer with a 208Y/120V secondary panel located in the same room. Which item is sized from the derived system conductors rather than from the utility service conductors?

Career Opportunities & Salary

Median salary: $63,190– Electricians

Source: BLS Occupational Employment and Wage Statistics, May 2025 -- Electricians (SOC 47-2111), US national. Occupation median, not a certification salary. (2025)

Electricians

Exam insights and study advice

This license is not merely a credential; it is a legal and professional imperative for taking full responsibility for electrical safety and system integrity. In the real world, a Master Electrician's signature on a permit application signifies that the design and installation meet the stringent requirements of the National Electrical Code (NEC) and Texas state amendments, directly impacting public safety, preventing fire and shock hazards, and ensuring the reliability of electrical infrastructure for homes, businesses, and critical facilities. The practical value extends to career advancement, as it is often a prerequisite for starting an electrical contracting business, qualifying for higher-value commercial and industrial projects, and assuming supervisory positions where technical judgment and code mastery are paramount.

What this exam covers

01Conduit Installation

02Electrical Theory (Ohm's Law, AC/DC circuits)

03Motor Controls and Industrial Wiring

04National Electrical Code — Overcurrent Protection and Grounding

05National Electrical Code — Services, Feeders, and Branch Circuits

06National Electrical Code (NEC) — Wiring Methods and Materials

07Residential Wiring

08Safety and OSHA Requirements

Exam Details TX-Master-E | $75 USD

Exam Code TX-Master-E
Vendor Electrician Licensing
Exam Cost $75 USD
Passing Score 70
Exam questions 100
Question Types Multiple choice (100%)
Retake Policy Varies by state; typically 30-day wait between attempts, maximum 3-5 attempts per year depending on state.
Exam Format Computer-based at testing center; most states allow NEC codebook reference.

Frequently Asked Questions

What are the experience requirements to sit for the Texas Master Electrician Exam?

Is the NEC codebook provided, or do I need to bring my own?

What is the exam format and how long do I have to complete it?

What is the passing score, and what happens if I fail?

How much of the exam is based on calculations?