Texas Single-Phase Pump Installer Exam
QUESTIONS AND DETAILED SOLUTIONS
Texas Single-Phase Pump Installer Exam, as administered by the Texas Department of Licensing and
Regulation (TDLR). Each question is paired with a verified answer and a summarized rationale based on
Texas Administrative Code Chapter 76, single-phase motor theory, electrical safety standards, and
common pump installation practices.
Note on Exam Coverage: The following questions cover the key areas required for the Single-Phase
Pumps (P) endorsement. The exam outline includes: Licensing and Regulatory Requirements (16 TAC
Chapter 76), Single-Phase Motor Theory and Components, Starting Circuits and Relays, Pump Installation
Practices and Well Standards, Pressure Tanks and System Components, Troubleshooting and
Diagnostics, and Safety (including NEC and TDLR rules). According to TDLR fiscal year 2025 data, this
exam has a pass rate of approximately 44.57%.
Domain 1: Licensing & Regulatory Requirements (Questions 1–35)
1. A pump installer applicant wishes to take the Single-Phase Pumps (P) endorsement examination.
According to 16 TAC §76.21, how many qualifying installations must they document?
A) 5 installations
B) 10 installations
C) 15 installations
D) 20 installations
*Correct Answer: C. 16 TAC §76.21(d)(2)(A) explicitly requires 15 qualifying installations for the Single-
Phase Pumps (P) endorsement.*
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2. An applicant for a Texas Pump Installer license must have how many years of documented experience
installing pumps?
A) 6 months
B) 1 year
C) 2 years
D) 3 years
Correct Answer: C. 16 TAC §76.21(a) requires two years of experience installing pumps.
3. Which Texas agency is responsible for licensing and regulating water well pump installers?
A) Texas Water Development Board (TWDB)
B) Texas Commission on Environmental Quality (TCEQ)
C) Texas Department of Licensing and Regulation (TDLR)
D) Texas Railroad Commission
Correct Answer: C. TDLR oversees pump installer licensing, standards, and enforcement in Texas.
4. A pump installer holds only a Single-Phase Pumps (P) endorsement and wants to add a Three-Phase
Pumps (K) endorsement. This process is called:
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A) License upgrade
B) Endorsement addition
C) License renewal
D) Endorsement waiver
Correct Answer: B. 16 TAC §76.21(c) describes this as applying for additional endorsements, requiring a
new application fee and demonstration of qualifications.
5. A master pump installer (I) endorsement in Texas requires an applicant to hold which combination of
base endorsements?
A) Single-Phase Pumps (P) only
B) Three-Phase Pumps (K) only
C) All endorsements (P, K, T, and Windmill/Hand Pump)
D) Any two endorsements
*Correct Answer: C. According to 16 TAC §76.21(f), an applicant with all endorsements (Single-Phase,
Three-Phase, Turbine, and Windmill/Hand Pump) is qualified to be a master pump installer.*
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6. An applicant has completed 15 single-phase pump installations and 14 three-phase pump
installations. Which endorsement examination(s) may they take?
A) Single-Phase Pumps (P) only
B) Three-Phase Pumps (K) only
C) Both P and K endorsements
D) Neither endorsement
*Correct Answer: A. The applicant meets the 15-installation requirement for P but falls one short for K.*
7. What is the minimum required continuing education hours for pump installer license renewal in
Texas?
A) 4 hours every year
B) 8 hours every year
C) 4 hours every renewal period
D) 8 hours every renewal period
Correct Answer: D. Licensees must complete 8 hours of continuing education per renewal period (every
two years), including at least 1 hour on Texas statutes and rules.