Electrician practice exam - Study guides, Class notes & Summaries

Journeyman Electrician Practice Exam #7 Questions and Answers

Journeyman Electrician Practice Exam Questions with Correct Answers indicates open, single-conductors such as Type USE-2 and single-conductor cable listed and identified as PV wire are permitted foruse in PV source circuits within the PV array. These conductors are evaluated and listed for use where exposed to sunlight and wet conditions. For dwelling units, GFCI protection is required for all single-phase, 125-volt, 15- and 20-ampere receptacles installed within six (6) feet of the top...

Where the outer sheath of Type MI cable is made of steel _____________. A. it shall provide an adequate path to serve as an equipment grounding conductor B. a separate equipment grounding conductor shall be provided C. the grounding and grounded conductors shall be connected together D. it shall not be longer than 6 feet correct answer: B. a separate equipment grounding conductor shall be provided The interior of enclosures or raceways installed underground shall be considered to...

PSI - Journeyman Electrician Practice Exam Questions And Answers 100% Verified An electrical appliance is rated at 1,500 watts, and is connected to 120 volts. What is the resistance associated with this appliance? - answer9.6 ohms What is the greatest root-mean-square (effective) difference of potential between any two conductors of a circuit defined as? - answerVoltage Approximately how many kilowatts are used by a three-phase, 480-volt ac motor that draws a current of 52 amperes and has...

Journeyman Electrician Practice Exam with Complete Solutions 100% Verified What is the minimum size secondary conductor required for a 2 wire 480 volts/ 120 volts transformer rated at 2.3 KVA with 750C temperature at terminals? 8 AWG 10 AWG 12 AWG 14 AWG - answer14 AWG Secondary transformer current = 2300 / 120 = 19.16 amperes Refer: NEC Table 310.15(B)(16) The suitable conductor is 14 AWG with 20 amperes capacity at 750C What is the demand factor applied in calculating feeder or serv...

Journeyman Electrician Practice Exam With Complete Solutions

PSI - Journeyman Electrician Practice Exam Questions And Answers 100% Verified An electrical appliance is rated at 1,500 watts, and is connected to 120 volts. What is the resistance associated with this appliance? - answer9.6 ohms What is the greatest root-mean-square (effective) difference of potential between any two conductors of a circuit defined as? - answerVoltage Approximately how many kilowatts are used by a three-phase, 480-volt ac motor that draws a current of 52 amperes and has...

Journeyman Electrician Practice Exam 7 Questions and Answers With Complete Solutions

Journeyman Electrician Practice Exam with Complete Solutions 100% Verified What is the minimum size secondary conductor required for a 2 wire 480 volts/ 120 volts transformer rated at 2.3 KVA with 750C temperature at terminals? 8 AWG 10 AWG 12 AWG 14 AWG - answer14 AWG Secondary transformer current = 2300 / 120 = 19.16 amperes Refer: NEC Table 310.15(B)(16) The suitable conductor is 14 AWG with 20 amperes capacity at 750C What is the demand factor applied in calculating feeder or serv...

Where the outer sheath of Type MI cable is made of steel _____________. A. it shall provide an adequate path to serve as an equipment grounding conductor B. a separate equipment grounding conductor shall be provided C. the grounding and grounded conductors shall be connected together D. it shall not be longer than 6 feet - correct answer B. a separate equipment grounding conductor shall be provided The interior of enclosures or raceways installed underground shall be considered to...