Journeyman Electrician’s Exam Journeyman Electrician's Swimming Pools and Spas 1 — Questions and Answers
Question 1: Per NEC 680.22(A)(1), what is the minimum distance a 125V receptacle must be located from the inside walls of a permanently installed swimming pool?
- 3 feet
- 6 feet (Correct answer)
- 10 feet
- 20 feet
Correct answer: 6 feet
NEC 680.22(A)(1) prohibits 125V receptacles from being installed less than 6 feet from the inside walls of a permanently installed pool.
Question 2: Per NEC 680.26(C), what is the minimum size of the solid copper conductor required for equipotential bonding of a permanently installed swimming pool?
- 12 AWG
- 10 AWG
- 8 AWG (Correct answer)
- 6 AWG
Correct answer: 8 AWG
NEC 680.26(C) requires the equipotential bonding conductor to be solid copper not smaller than 8 AWG.
Question 3: What is the minimum overhead clearance required for service drop conductors above the water surface of a swimming pool?
- 10 feet
- 14.5 feet
- 18 feet
- 22.5 feet (Correct answer)
Correct answer: 22.5 feet
Per NEC 680.8, service drop conductors must maintain a minimum clearance of 22.5 feet above the water surface of a pool.
Question 4: Per NEC 680.23(A)(4), GFCI protection is required for underwater pool luminaires operating at more than what voltage?
- 12 volts
- 15 volts (Correct answer)
- 30 volts
- 120 volts
Correct answer: 15 volts
NEC 680.23(A)(4) requires GFCI protection for all underwater luminaires operating at more than 15 volts.
Question 5: Per NEC 680.24(A)(2), junction boxes associated with pool lighting circuits must be located at least how far above the maximum water level?
- 4 inches
- 6 inches
- 8 inches (Correct answer)
- 12 inches
Correct answer: 8 inches
NEC 680.24(A)(2) requires junction boxes to be mounted at least 8 inches above the maximum water level of the pool.
Question 6: Per NEC 680.21(C), GFCI protection is required for which swimming pool motor circuit?
- 240V, 3-phase motors
- 120V, single-phase motors (Correct answer)
- All motors regardless of voltage
- Motors rated more than 1 HP only
Correct answer: 120V, single-phase motors
NEC 680.21(C) requires GFCI protection for all 120V, single-phase swimming pool pump motors.
Question 7: Which NEC article contains the primary electrical installation requirements for swimming pools, spas, hot tubs, and fountains?
- Article 422
- Article 547
- Article 680 (Correct answer)
- Article 695
Correct answer: Article 680
NEC Article 680 covers all special requirements for swimming pools, hot tubs, spas, fountains, and hydromassage bathtubs.
Per NEC 680.22(A)(1), what is the minimum distance a 125V receptacle must be located from the inside walls of a permanently installed swimming pool?