NEC 2025 Journeyman Prep Quiz Questions and Answers 100% Pass

NEC 2025 Journeyman Prep Quiz Questions and Answers 100% Pass How many 400 W fixtures could be installed on a 120 V 15amp circuit? A. 3 B. 5 C. 6 D. 8 - 3 Ten 1200 W lightning fixtures are connected on a 277 V system. How many amps might the circuit draw? A. 23 B. 60 C. 43 D. 54 - 43 A toaster is listed as 1560 W. When it is plugged into a 120 V circuit and starts to make toast, how many amperes will it draw? A. 1,440 B. 1,680 C. 13 D. 187,200 - 13 2 | P a g e Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE You have been asked to add a 4200 W lighting fixture to a 20 amp lighting circuit. What is the voltage needed to comply with the NEC? A. 120 V B. 240 V C. 277 V D. none of the above - 277 V An electric circuit has a resistance of 20 Ohms. The current is measured to be 6 A. How many volts are applied to the circuit? A. 3 1/3 B. 14 C. 26 D. 120 - 120 An electric motor is running on 120 V. The current is measured to be 2 A. How many ohms of resistance is the motor? A. 60 B. 118 C. 122 D. 240 - 60 An electrical circuit has a voltage of 50 V and a resistance of 5 Ohms. What is the value of current? A. 10 A 3 | P a g e Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE B. 45 A C. 55 A D. 250 A - A series circuit is a circuit that has only one path for _____ flow. A. Voltage B. Current C. Power D. Resistance - Current In a series circuit with two resistors, the total resistance is equal to the _____ of the two resistors. A. Difference B. Product over the sum C. Sum D. Quotient - Sum A series circuit has a total resistance of 180 Ohms and an applied voltage of 120 V. What is the current flow? A. 300 A B. 1.5 A C. 60 A D. 0.667 A - 0.667 A The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is _____. 4 | P a g e Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE A. 35 V B. 85 V C. 25 V D. 60 V - 85 V A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power dissipation of the circuit? A. 10 W B. 5 W C. 25 W D. 15 W - 25 W A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5 W respectively. How much power does the third resistor dissipate? A. 25 W B. 10 W C. 2 W D. 15 W - 10 W Circuits that have more than one path for current flow are _____ circuits. A. Parallel B. Series C. Combination 5 | P a g e Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE D. Short - Parallel In a parallel circuit, the total resistance is _____ value resistance. A. Larger than the smallest B. Smaller than the smallest C. Equal to the largest D. Equal to the smallest - Smaller than the smallest A two-branch parallel circuit has 2 A of current in one branch and 3 A in the other branch. The branch considered to carry the larger load is the branch with _____ A. A. 2 B. 3 C. 5 D. 6 - 3 A two-branch parallel circuit has a 30 Ohms and a 15 Ohms resistor. What is the total resistance? A. 2 Ohms B. 10 Ohms C. 45 Ohms D. 15 Ohms - 10 Ohms A three branch parallel circuit has resistors of 27 Ohms, 56 Ohms, and 15 Ohms. What is the total resistance? A. 9.64 Ohms 6 | P a g e Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE B. 98 Ohms C. 18.22 Ohms D. 8.22 Ohms - 8.22 Ohms What NEC article has the majority of definitions? Select one: A. Table of contents B. article 100 C. article 400 D. index - article 100 How many chapters are there in the NEC? Select one: A. 6 B. 8 C. 9 D. NEC doesn't have chapters - 9 What method is recognized as the easiest and most