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Journeyman Electrician Exam 3 Questions and answers | Latest 2024/25 RATED A+ $11.49   Add to cart

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Journeyman Electrician Exam 3 Questions and answers | Latest 2024/25 RATED A+

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Journeyman Electrician Exam 3 Questions and answers | Latest 2024/25 RATED A+

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  • August 15, 2024
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  • 2024/2025
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Journeyman Electrician Exam 3
Questions and answers | Latest 2024/25
RATED A+
Where a water pipe passes over an indoor motor control center, leak protection apparatus
II II II II II II II II II II II II II



shall have a MINIMUM clearance of _____.
II II II II II II II




a) 6 feet to the protection apparatus
II II II II II II



b) 6 feet to the water pipe
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c) 6 1⁄2 feet to the protection apparatus
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d) 6 1⁄2 feet to the water pipe - A: 6 feet to the protection apparatus
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Ref: 110.26(F)(1)(a) II




Branch circuit grounded conductors that are not connected to an overcurrent device shall
II II II II II II II II II II II II II II



be permitted to be sized at LEAST _____ of the continuous and noncontinuous load to be
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served.
II




a) 100 percent
II II



b) 80 percent
II II



c) 75 percent
II II



d) 125 percent - A: 100 percent
II II II II II II II II



Ref: 210.19(A)(1), Ex. 2II II II




The MAXIMUM standard rating of the initial non-time-delay fuse for the branch-circuit,
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short-circuit, and ground-fault protection of a 1 HP, three-phase, 208-volt, squirrel-cage
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AC motor shall be _____.
II II II II II




a) 6 amperes
II II



b) 10 amperes
II II



c) 15 amperes
II II



d) 20 amperes - C: 15 amperes
II II II II II II II II



Ref: 430.250; Tbl. 430.52; 430.52(C)(1), Ex.1
II II II II II



Sol: FLC of motor - 4.6 amperes x 300% = 13.8 amperes
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For Class III equipment that is not subject to overloading the MAXIMUM surface
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temperature under operating conditions shall NOT exceed _____.
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a) 120°CII



b) 165°CII



c) 248°FII



d) 210°C - B: 165°C
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Ref: 503.5 II

, When a metal wireway contains splices and taps, the conductors, splices and taps shall
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not fill the wireway to more than _____ of its area at that point.
II II II II II II II II II II II II II II




a) 20 percent
II II



b) 30 percent
II II



c) 40 percent
II II



d) 75 percent - D: 75 percent
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Ref: 376.56(A) II




In an underground installed Schedule 40 PVC conduit system that consists of 50 feet in
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length between pulling points, what is the MAXIMUM number of bends this conduit run
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may have?
II II




a) four 90° bends
II II II



b) six 90° bends
II II II



c) four 120° bends
II II II



d) two 90° bends - A: four 90° bends
II II II II II II II II II II



Ref: 352.26 II




Grounding electrodes made of pipe or conduit shall not be smaller than _____ electrical
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trade size.
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a) 1⁄2 inch
II II



b) 3⁄4 inch
II II



c) 1 inch
II II



d) 11⁄2 inch - B: 3/4 inch
II II II II II II II II



Ref: 250.52(A)(5)(a) II




II IILiquid-tight flexible metallic conduit (LFMC) shall NOT be used _____. II II II II II II II II II




a) in lengths in excess of 6 feet
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b) in concealed work
II II II



c) in hazardous locations
II II II



d) where subject to physical damage - D: where subject to physical damage
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Ref: 350.12(1) II




Determine the allowable ampacity of a size 3 AWG THHN copper conductor given the
II II II II II II II II II II II II II II II



following: (1) Two current-carrying conductors are in the conduit. (2) The ambient
II II II II II II II II II II II II



temperature is 34°C. (3) The terminations are rated 60°C.
II II II II II II II II II




a) 105.6 amperes
II II



b) 85.0 amperes
II II



c) 81.6 amperes
II II



d) 110 amperes - B: 85.0 amperes
II II II II II II II II



Ref: 110.14(C); 310.15(A)(2); Tbl. 310.16
II II II II

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