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FREE AND STUDY GAMES ABOUT ND J QUESTIONS EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -152 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Before work commences on any electrical installation where the cost of the repair work or additional installation exceeds three hundred dollars, the master or class B electrician supervising such installation shall execute an electrical wiring certificate
Answer:
ND Standards 24-02-01-19.2 Question 2: The service disconnecting means for a one family dwelling shall have a rating of NOT less than 100A.
Answer:
230.79(C)
Question 3: The maximum number of #14 conductors permitted in a 1 1/2" x 4" octagonal outlet box is 7.
Answer:
T314.16(A)
Question 4: A demand factor of 70% may be applied to the neutral feeder load for electric ranges.
Answer:
220.61(B)
Question 5: Ungrounded conductors shall be physically protected to a height of at least 8'.
Answer:
300.5(D)
Question 6: Separate motor overload protection shall be based on the motor nameplate current rating.
Answer:
430.36
Question 7: The service rating for a one family dwelling shall be NOT less than 100A, 1 phase, 3 wire.
Answer:
230.79(C)
Question 8: A 25' tap taken from a 100A feeder shall have an ampacity of NOT less than 33.333A.
Answer:
240.21(B)(2)(1)
Question 9: All boxes, fitting, and raceways in a car wash shall be mounted so that there is at least a 1/4" space between it and the wall or supporting surface.
Answer:
300.6(D)
Question 10: A single grounding electrode is permitted when the resistance to ground does NOT exceed 25 ohms.
Answer:
250.56
Question 11: The metal lighting standard shall be connected to a 1/2"by 10'copperweld ground rod by means of a bonding jumper.
Answer:
ND Standards 24-02-01-06.2(b) Question 12: Dry-type transformers installed indoors and rated 112 1/2 kVA or less shall have a separation of at least 12"from combustible material.
Answer:
450.21 (A)
Question 13: Not over 42 overcurrent devices for a lighting and appliance panelboard, other than the mains, are permitted in one cabinet.
Answer:
408.35
Question 14: Where connected to a branch circuit supplying two or more receptacles or outlets, a 20 amp circuit can have a maximum load of 16A.
Answer:
210.21(B)(2) and T210.21(B)(2) Question 15: In combustible walls or ceilings, the front edge of an outlet box or fitting may set _____" back of the finished surface.A.) 1/8" B.)1/4" C.) None of these
Answer:
None of these
314.20
Question 16: Nonmetallic-sheathed cables shall be supported and secured at intervals NOT exceeding 4 1/2' and within 12" of every outlet box, junction box, cabinet, or fitting.
Answer:
334.30
Question 17: NM cable shall be permitted for both exposed and concealed work in normally dry locations.
Answer:
334.10(A)(1)
Question 18: Interior metal water piping, in multi-family dwelling units located more than 5'from the point of entrance to the building shall NOT be used as part of the GES or as a conductor to interconnect electrodes that are part of the GES.
Answer:
250.52(A)(1)
Question 19: In walls or ceilings of concrete, tile, or other noncombustible material, boxes shall be installed so that the front edge of the box will NOT be set back of the finished surface more than 1/4".
Answer:
314.20
Question 20: A metal fixture shall be grounded if located within 8' vertically or 5'horizontally of a kitchen sink.
Answer:
250.110(1)
Question 21: Cartridge fuses and fuse holders shall be classified according to voltage and ampere ratings.
Answer:
240.61
Question 22: Surface mounted fluorescent lighting fixtures shall be located at least 6" from the storage space in a clothes closet.
Answer:
410.8(D)(2)
Question 23: Service conductors installed as open conductors shall have a clearance of NOT less than 3' from windows that are designed to be opened, doors, porches, balconies, ladders, stairs, fire escapes, or similar locations.
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