Journeyman Electrician #2 Already Graded A+
1. Motor control circuits should be set up to disconnect from all power sources when _____ occurs. - a) the disconnecting means is in the open position. (Correct Answer: a) the disconnecting means is
in the open position) - b) the disconnecting means...
1. Motor control circuits should be set up to disconnect from all power sources when _____ occurs.
- a) the disconnecting means is in the open position. ✅ (Correct Answer: 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
- Reference: 430.75(A)
2. What is permissible for closing an unused circuit breaker slot 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. ✅ (Correct Answer: d) All of these are permitted)
- Reference: 408.7
3. For commercial buildings, general-purpose receptacle loads must be calculated at a minimum of
_____ VA per single or duplex receptacle before applying demand factors.
- a) 100
- b) 120
- c) 150
- d) 180 ✅ (Correct Answer: d) 180)
- Reference: 220.14(I)
4. Which listed conductor insulation has a higher temperature rating when used in dry locations
compared to wet locations?
- a) THW
, - b) RHW
- c) THWN
- d) THHW ✅ (Correct Answer: d) THHW)
- Reference: Tbl. 310.13(A); Tbl. 310.16
5. Which of the following scenarios concerning grounding would NOT comply with NEC standards?
- I. Steel reinforcing bars intended for concrete foundations but not connected to the grounding
system.
- II. Concrete foundations with steel reinforcing bars that were unavailable for grounding because the
concrete was poured before the electrical contractor arrived.
- a) I only ✅ (Correct Answer: a) I only)
- b) II only
- c) both I and II
- d) neither I nor II
- Reference: 250.50, Ex.
6. In a healthcare facility, low-voltage electrical equipment, likely to be energized and frequently in
contact with patients, must operate on a voltage of _____ volts or less unless it is approved as
intrinsically safe, double-insulated, or moisture-resistant.
- a) 10 ✅ (Correct Answer: a) 10)
- b) 24
- c) 100
- d) 120
- Reference: 517.64(A)(1), (2), and (3)
7. When ambient temperature is not a concern, what is the MAXIMUM allowable ampacity of a size 8
AWG single copper conductor with FEPB insulation installed in free air?
- a) 80 amperes ✅ (Correct Answer: a) 80 amperes)
- b) 55 amperes
- c) 45 amperes
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