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100+ Free SC Swimming Pool Practice Questions

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2026 Statistics

Key Facts: SC Swimming Pool Exam

50 Q

Official Exam Questions

PSI SC Commercial Contractor CIB updated 5/15/2025

70%

Passing Score

PSI SC Commercial Contractor CIB updated 5/15/2025

3 hours

Time Allowed

PSI SC Commercial Contractor CIB updated 5/15/2025

USD 60

PSI Exam Fee

PSI SC Commercial Contractor CIB updated 5/15/2025

Open Book

Book Policy

PSI SC Commercial Contractor CIB updated 5/15/2025

South Carolina Swimming Pool Contractor Examination is the official CLB/PSI open-book exam: 50 questions, 70% (35 of 50), 3 hours, USD 60 (bulletin updated 5/15/2025). Official delivery is English.

Sample SC Swimming Pool Practice Questions

Try these sample questions to test your SC Swimming Pool exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1According to the 2020 NEC Article 680, what is the PRIMARY purpose of the equipotential bonding required at a permanently installed swimming pool?
A.To reduce voltage gradients in the pool and deck area
B.To serve as the equipment grounding conductor for the pump motor
C.To replace the grounding electrode system at the service
D.To carry fault current back to the utility transformer
Explanation: NEC 680.26(A) states that required equipotential bonding is intended to reduce voltage gradients in the area around a permanently installed pool. Bonding connects conductive parts together so a bather does not experience a dangerous potential difference between surfaces. It is not a substitute for equipment grounding, the grounding electrode system, or a service fault-current path.
2NEC 680.26 requires pool equipotential bonding conductors to be which of the following?
A.Insulated stranded copper not smaller than 6 AWG
B.Solid copper, insulated, covered, or bare, not smaller than 8 AWG
C.Aluminum or copper-clad aluminum not smaller than 8 AWG
D.Bare stranded copper not smaller than 10 AWG
Explanation: NEC 680.26(B) requires the listed pool parts to be bonded together using solid copper conductors, insulated, covered, or bare, not smaller than 8 AWG, or with rigid metal conduit of brass or other identified corrosion-resistant metal. Aluminum is not permitted for this bonding conductor. Stranded copper and 6 AWG or 10 AWG sizes do not meet the 8 AWG solid-copper rule.
3For a permanently installed pool, NEC 680.22(A)(1) prohibits receptacles from being located less than which distance from the inside walls of the pool?
A.3 feet
B.5 feet
C.6 feet
D.10 feet
Explanation: NEC 680.22(A)(1) states that receptacles shall not be located less than 6 feet from the inside walls of a permanently installed pool. This clearance reduces the chance that a cord-and-plug device will be used at the water's edge. Other distances such as 3 feet and 5 feet apply to bonding of metal parts, not receptacle placement.
4NEC 680.22(A)(3) requires at least one 125-volt, 15- or 20-ampere receptacle on a general-purpose branch circuit to be located how far from the inside wall of a permanently installed pool?
A.Not less than 3 feet and not more than 10 feet
B.Not less than 6 feet and not more than 20 feet
C.Not less than 10 feet and not more than 25 feet
D.Anywhere outside the 5-foot bonding zone
Explanation: NEC 680.22(A)(3) requires at least one 125-volt, 15- or 20-ampere receptacle on a general-purpose branch circuit, located not less than 6 feet from and not more than 20 feet from the inside wall of the pool. This gives a convenient, GFCI-protected outlet for pool equipment and appliances without placing a receptacle at the water's edge.
5Which fixed metal parts must be included in the pool equipotential bonding system under NEC 680.26(B)(7)?
A.Only metal parts that carry electrical current
B.Fixed metal parts within 5 feet horizontally of the inside walls of the pool, or within 12 feet vertically above the maximum water level
C.All metal parts of the building, regardless of distance from the pool
D.Only metal fences more than 10 feet from the water
Explanation: NEC 680.26(B)(7) requires bonding of fixed metal parts located within 5 feet horizontally of the inside walls of the pool and within 12 feet vertically above the maximum water level. Isolated parts not over 4 inches in any dimension and some separated parts are excepted. The rule is about touch-potential metal, not whether the part is an electrical current-carrying conductor.
6The copper perimeter bonding required by NEC 680.26(B)(2) must extend what horizontal distance beyond the inside walls of the pool?
A.18 inches
B.3 feet
C.5 feet
D.6 feet
Explanation: NEC 680.26(B)(2) requires the bonding means for perimeter surfaces to extend 3 feet horizontally beyond the inside walls of the pool, including unpaved surfaces and poured concrete or other paving. The conductor or grid must follow the contour of that 3-foot band. Five feet is the metal-parts bonding reach, and 6 feet is a receptacle setback.
7Under NEC 680.21(C), outlets supplying pool pump motors on branch circuits rated 150 volts or less to ground and 60 amperes or less must have which protection?
A.A lockable disconnect only, with no GFCI required
B.Ground-fault circuit-interrupter (GFCI) protection
C.An isolation transformer listed for signs
D.A 30-milliampere equipment-leakage circuit breaker only
Explanation: NEC 680.21(C) requires GFCI protection for outlets supplying pool pump motors on branch circuits rated 150 volts or less to ground and 60 amperes or less, whether single-phase or 3-phase. A lockable disconnect may also be required elsewhere, but it does not replace GFCI protection for these pump-motor outlets.
8An 8 AWG or larger solid copper conductor installed only to reduce voltage gradients in the pool area is required to be extended or attached to which of the following?
A.The nearest remote panelboard equipment-grounding terminal
B.The service grounding electrode conductor
C.It is not required to be extended or attached to remote panelboards, service equipment, or electrodes
D.The utility transformer case
Explanation: NEC 680.26(B) states that an 8 AWG or larger solid copper bonding conductor provided to reduce voltage gradients in the pool area shall not be required to be extended or attached to remote panelboards, service equipment, or electrodes. Equipotential bonding equalizes potential locally; equipment grounding remains a separate function.
9Per 2020 NEC Table 680.9(A), what is the minimum clearance in any direction from the maximum water level, edge of water surface, base of a diving platform, or permanently anchored raft to insulated overhead conductors rated 0–750 volts that are supported on and cabled together with an effectively grounded messenger or grounded neutral?
A.10.0 feet
B.14.5 feet
C.18.0 feet
D.22.5 feet
Explanation: NEC Table 680.9(A) requires 22.5 feet of clearance in any direction from the water and listed pool structures to insulated cables 0–750 volts supported on an effectively grounded messenger or grounded neutral. Communication coaxial cable has a 10-foot clearance. Clearance is measured from the maximum water level, not the deck.
10A 125-volt duplex receptacle is installed on a post 4 feet from the inside wall of a permanently installed pool, measured horizontally. Which statement is correct under NEC 680.22?
A.The installation is acceptable if the receptacle is GFCI protected
B.The installation is acceptable because it is outside the 3-foot perimeter bonding band
C.The installation violates the 6-foot minimum receptacle setback, even if GFCI protected
D.The installation is acceptable if a weatherproof cover is used
Explanation: NEC 680.22(A)(1) prohibits receptacles less than 6 feet from the inside walls of a permanently installed pool. A 4-foot location is 2 feet too close. GFCI protection and a weatherproof cover are still required where a receptacle is allowed, but they do not waive the 6-foot setback.

About the SC Swimming Pool Exam

The South Carolina Swimming Pool Contractor Examination is the official CLB classification examination administered by PSI. The official exam has 50 scored questions. Passing is 70% (35 of 50) in 3 hours. The examination is open book. PSI lists USD 60 (Candidate Information Bulletin updated 5/15/2025). LLR states a PQP must pass this examination and Business Management and Law. Residential pool work at or above the USD 10,000 threshold now requires this classification or a Residential Home Builder license. This bank is an English-language MCQ study adaptation. It does not replace required trade experience, board approval, or the official examination.

Assessment

Open-book computer-based multiple-choice. Allowed references include Guide to Shotcrete (2016 or 2022), Design and Control of Concrete Mixtures (16th, 2016), Placing Reinforcing Bars (10th), SC DHEC Regulation 61-51 (2023), Certified Pool-Spa Operators Handbook (2022), the 2020 NEC Article 680 only, the International Swimming Pool and Spa Code (2021), and the South Carolina 811 Excavator Manual.

Time Limit

3 hours

Passing Score

70% (35 of 50)

Exam Fee

USD 60 (PSI Services LLC (for the South Carolina Contractor's Licensing Board))

SC Swimming Pool Exam Content Outline

12%

Pool Electrical

Pool - Electrical (6 items)

16%

Shotcrete

Shotcrete (8 items)

12%

Concrete

Concrete (6 items)

12%

Reinforcing Steel

Concrete - Reinforcing Steel (6 items)

24%

Pool Care and Operation

Pool - Care and Operation (12 items)

16%

Regulation 61-51

Regulation 61-51: Swimming pools (8 items)

8%

Pool Estimating

Pool - Estimating (4 items)

How to Pass the SC Swimming Pool Exam

What You Need to Know

  • Passing score: 70% (35 of 50)
  • Assessment: Open-book computer-based multiple-choice. Allowed references include Guide to Shotcrete (2016 or 2022), Design and Control of Concrete Mixtures (16th, 2016), Placing Reinforcing Bars (10th), SC DHEC Regulation 61-51 (2023), Certified Pool-Spa Operators Handbook (2022), the 2020 NEC Article 680 only, the International Swimming Pool and Spa Code (2021), and the South Carolina 811 Excavator Manual.
  • Time limit: 3 hours
  • Exam fee: USD 60

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

SC Swimming Pool Study Tips from Top Performers

1Distribute study time to the official PSI content outline (bulletin updated 5/15/2025)
2Use only the PSI-listed references; temporary tabs such as Post-it notes are prohibited
3Pass Business Management and Law for Commercial Contractor in addition to this technical examination
4This bank is an English-language MCQ study aid, not an official PSI form

Frequently Asked Questions

How many questions are on the South Carolina Swimming Pool Contractor Examination?

The official PSI examination has 50 scored questions. Passing is 70% (35 of 50) within 3 hours (Commercial Contractor Candidate Information Bulletin updated 5/15/2025).

How much does this PSI examination cost?

PSI lists USD 60 for this examination. The South Carolina Contractor's Licensing Board charges a separate USD 350 license application fee for general and mechanical contractor licenses.

Is this examination open book?

Yes. PSI lists the South Carolina commercial contractor examinations as open book. Listed references include SC DHEC Regulation 61-51 (2023) and the 2020 NEC limited to Article 680.

Do I need a PQP for the SC Swimming Pools classification?

Yes. LLR requires a designated Primary Qualifying Party who has passed the PSI Swimming Pools exam and the Business Management and Law for Commercial Contractor exam.