Journeyman Electrician #2 Exam Questions and Answers 100% Solved

Journeyman Electrician #2 Exam Questions and Answers 100% Solved In general, motor control circuits shall be arranged so that they will be disconnected from all sources of supply when _____. a) the disconnecting means is in the open position. b) the disconnecting means is not within sight of the controller c) the disconnecting means is integral with the controller d) installed in a motor control center - answerA: the disconnecting means is in the open position. Ref: 430.75(A) Which of the following is permitted for closing an unused circuit breaker opening in panelboards? a) Installation of a closure plate or other device that fits securely and closes the opening. b) Installation of a spare or unused circuit breaker that fills the opening and is listed for the panelboard. c) Installation of a closure plate listed for the purpose by the manufacturer. d) All of these are permitted. - answerD: All of these are permitted. Ref: 408.7 Before demand factors are taken into consideration for commercial buildings, general purpose receptacle loads are to be computed at not less than _____ VA per single or duplex receptacle. a) 100 b) 120 c) 150 d) 180 - answerD: 180 Ref: 220.14(I) Which of the following listed conductor insulations have a greater temperature rating when used in a dry location compared to when used in a wet location? a) THW b) RHW c) THWN d) THHW - answerD: THHW Ref: Tbl. 310.13(A); Tbl. 310.16 Which of the following situations regarding grounding, would NOT be in compliance with the standards set forth by the NEC?: I. Steel reinforcing bars to be poured in a concrete foundation and not connected as part of the grounding system.; II. Concrete foundations with steel reinforcing bars that were not available for use as a grounding electrode because the concrete was poured before the electrical contractor arrived on the job. a) I only b) II only c) both I and II d) neither I nor II - answerA: I only Ref: 250.50, Ex. In a health care facility, low-voltage electrical equipment that is likely to become energized and is frequently in contact with the bodies of patients shall operate on a voltage of _____ volts or less if the equipment is not approved as intrinsically safe, doubleinsulated, or moisture- resistant. a) 10 b) 24 c) 100 d) 120 - answerA: 1