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Nd J questions
| Question | Answer |
|---|---|
| Each applicant for renewal of an electrician's license must have successfully completed prior thereto at least four hours, and thereafter eight hours each biennium of continuing education relating to the standards set forth in section 43-09-21. | ND Standards 43-09-21 |
| The metal lighting standard shall be connected to a 1/2"by 10'copperweld ground rod by means of a bonding jumper. | ND Standards 24-02-01-06.2(b) |
| A minimum of six 20 A appliance branch circuits shall be installed for counter receptacles in kitchens that may be used to serve public gatherings at schools, churches, lodges, and similar buildings. | ND Standards 24-02-01-07.4 |
| A minimum of three 20 A small appliance branch circuits shall be installed to supply receptacle outlets in kitchen, pantry, dining room, and breakfast room. | ND Standards 24-02-01-09 |
| Lighting appliance, and power panel boards may NOT be located in bathrooms, clothes closets, stairways, or crawl spaces. | ND Standards 24-02-01-09 |
| 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 | ND Standards 24-02-01-19.2 |
| The purpose of this code is the practical safeguarding of persons and property from hazards arising from the use of electricity. | 90.1(A) |
| Capable of being reached quickly for operation, renewal, or inspection without requiring the use of a portable ladders is readily accessible | 100 Definitions |
| In Article 430, the term ïn sight" refers to the distance of not more than 50'. | Article 100 definitions |
| The term "service-entrance conductors overhead system"includes the term "service drops. | False 100 definitions |
| The point of connection between the facilities of the serving utility and the premises wiring is the service point. | 100 definitions |
| Constructed so that moisture will not enter the enclosure under specified test conditions is watertight. | 100 definitions |
| Conductors of dissimilar metals shall not be intermixed in a terminal or splicing connector where physical contact occurs, unless the device is identified for the purpose and conditions of use. | 110.14 |
| Connection by means of wire-binding screws or studs and nuts that have upturned lugs or the equivalent shall be permitted for 10 AWG or smaller conductors. | 110.14(A) |
| One of the approved methods of identifying the high-leg of a 4-wire, delta-connected secondary system is by using an orange wire. | 110.15 |
| An insulated grounded conductor of 6 AWG or smaller shall be identified by a continuous white or gray outer finish or by three continuous white stripes along its entire length. | 200.6(A) |
| All receptacle outlets installed within 6'of a wet bar sink in a dwelling unit shall be GFCI protected. | 210.8(A)(7) |
| All 120V, single phase, 15 and 20A branch circuits supplying outlets installed in dwelling unit bedrooms shall be protected by a listed arc-fault interrupter. | 210.12(B) |
| The branch circuit rating shall NOT be less than the noncontinuous load plus 125% of the continuous load. | 210.19(A)(1) |
| For ranges of 8 3/4 kW or more rating, the minimum branch circuit rating shall be 40 amperes. | 210.19(A)(3) |
| The neutral conductor of a 3-wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 kW or more rating has been calculated according to Column C | 210.19(A)(3) exc.2 |
| A single 15A receptacle may be installed on an individual 20A branch circuit. | False 210.21(B)(1) |
| Where connected to a branch circuit supplying two or more receptacles or outlets, a 20 amp circuit can have a maximum load of 16A. | 210.21(B)(2) and T210.21(B)(2) |
| The total rating of utilization equipment fastened in place, other than luminaries, shall not exceed %50 of the branch circuit ampere rating where lighting units, cord-and-plug-connected utilization equipment not fastened in place, or both are also suppli | 210.23(A)(2) |
| Receptacles for a 20A circuit shall be rated no less than 15A. | T210.24 |
| Receptacles outlets located 5 1/2 + feet from the finished floor can be counted as a required outlet. | False 210.52 |
| Receptacles in living areas are spaced so that no point along the available floor line perimeter shall be more than 6'from a receptacle outlet. | 210.52(A)(1) Spacing |
| In a bedroom, if a point on any available wall is 7' from the nearest plug receptacle, an additional receptacle is needed. | True 210.(A)(1) spacing |
| A receptacle in the middle of the dining room floor is not counted toward fulfilling minimum NEC requirements. | True 210.52(A)(3) Floor receptacles. Must be located within 18” of the wall. |
| A receptacle outlet installed at each wall counter space that is 12" or wider. | True 210.52(C)(1) |
| Receptacles installed over kitchen countertops 12" or wider shall be NOT more than 24" apart (EVERY 4'.) | True 210.52(C)(1) No point on a wall is more than 24” from a receptacle. |
| Receptacle outlets shall be located above, but not more than 20" above, the countertop. | True 210.52(C)(5) |
| In dwelling units, at least one receptacle outlet shall be installed in bathrooms within 3'of the outside edge of each basin, on a wall adjacent to the basin or basin countertop. | True 210.52(D) |
| At least one receptacle outlet shall be installed directly above a show window for each 12 linear feet of show window area. | True 210.62 |
| Where one or more lighting outlets are installed for interior stairways, there shall be a wall switch at each floor level, and landing level that includes an entryway, to control the lighting outlets where that stairway between floor levels has six risers | 210.70(A)(2)(c) |
| Two or more services are permitted when the rating of the service is over 2000A. | 230.2(C)(1) |
| Where a building or structure is supplied by more than one service, a permanent plaque or directory shall be installed at each service disconnect location denoting all other services supplying that building or structure and the area served by each. | 230.2(E) |
| Conductors shall be considered outside of a building or other structure under any of the following conditions: (1) Where installed under not less than 2"of concrete beneath a building or other structure. | (2) Where installed within a building or other structure in a raceway that is encased in concrete or brick not less than 2"thick. (3) Where installed in conduit and under not less than 18" of earth beneath a building or other structure. 230.6(1-4) |
| Conductors other than service conductors shall NOT be installed in the same service raceway or service cable. | 230.7 |
| 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. | 230.9(A) |
| The size of service drop conductors shall not be smaller than 8 AWG copper. | 230.23(B) |
| The clearance of service drops above a flat roof shall NOT be less than 8' | 230.24(A) |
| Where the voltage between conductors does NOT exceed 300 V and the rope has a slope of 4" in 12" or greater, a reduction in clearance to 3' shall be permitted. | 230.24(A) exc2 |
| A service drop conductor shall NOT be permitted to exceed 6' of length with 18" of clearance above the overhang portion of the roof. | 230.24(A)exc3 |
| Service drop conductors rated 150v to ground or less shall clear the the ground by NOT less than 10'. | 230.24(B)(1) |
| The minimum clearance of service drops above a public driveway on other than residential property is 18'. | 230.24(B)(4) |
| The lowest point of attachment for a service drop to a building is 12'. | False 10' 230. 24(b)(1) |
| Only service drop conductors shall be attached to a service mast. | 230.28 |
| The service disconnecting means shall consist of NOT more than 8 switches or circuit breakers. | False NOT more than 6 switches!!! 230.71(A) |
| Service cables shall be supported within 12" of every service head, gooseneck, or connection to a raceway or enclosure and at intervals NOT exceeding 30". | 230.51(A) |
| Not more than 6 switches at one service location shall be used as the service disconnecting means if they are each permanently marked. | 230.70(B) |
| The discounting means for a service shall disconnect ALL ungrounded conductors simultaneously. | True 230.74 |
| The service rating for a one family dwelling shall be NOT less than 100A, 1 phase, 3 wire. | 230.79(C) |
| The service disconnecting means for a one family dwelling shall have a rating of NOT less than 100A. | 230.79(C) |
| The next higher standard overcurrent device rating (above the ampacity of the conductors being protected) shall be permitted if the next higher standard rating selected does NOT exceed 800A. | 240.4(B)(3) |
| A 25' tap taken from a 100A feeder shall have an ampacity of NOT less than 33.333A. | 240.21(B)(2)(1) |
| Plug fuses are never permitted in circuits that exceed _____. (A) 125V between conductors (B) 125V to ground (C) 150V between conductors (D) 150V to grounded(neutral) | 240.50(A)(1) C D |
| The screw shell of a plug type fuse holder shall be connected to the load side of the circuit. | True 240.50(E) |
| Plug fuses of the Edison-base type shall be used ONLY for replacements in existing installations. | 240.51(B) |
| Cartridge fuses and fuse holders shall be classified according to voltage and ampere ratings. | 240.61 |
| CB's that are NOT marked with an IC rating are rated at 5000A. | True 240.83(C) |
| Grounding conductors and bonding jumpers shall be connected by exothermic welding, listed pressure connectors, listed clamps, or other listed means. | 250.8 |
| 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. | 250.52(A)(1) |
| A ground ring conductor shall be installed at least 2 1/2 feet below earth's surface. | 250.53 |
| A single grounding electrode is permitted when the resistance to ground does NOT exceed 25 ohms. | 250.56 |
| A single electrode consisting of rod, pipe, or plate that does NOT have a resistance to ground of 25 ohms or less shall be augmented by one additional electrode | 250.56 |
| Where the grounding electrode conductor is connected to rod, pipe, or plate electrodes, that portion of the conductor that is the sole connection to the grounding electrode shall NOT be required to be larger than 6 AWG copper wire. | 250.66(A) |
| Where the equipment bonding jumper is installed on the outside of a raceway, the length of the equipment bonding jumper shall NOT exceed 6'and shall be routed with the raceway. | 210.102(E) |
| A metal fixture shall be grounded if located within 8' vertically or 5'horizontally of a kitchen sink. | 250.110(1) |
| Where a single equipment grounding conductor is run with multiple circuits in the same raceway or cable, it shall be sized for the largest overcurrent device protecting conductors in the raceway cable. | 250.122(C) |
| The grounded circuit conductor can be used as an equipment grounding conductor and circuit conductor on the SUPPLY side of the service equipment. | 250.142(A)(1) |
| Where a cable or raceway type wiring method is installed parallel to framing members, such as joists, rafters, or studs, the cable or raceway shall be installed so that the nearest outside surface of the cable or raceway is NOT less than 1 1/4" from the n | 300.4(D) |
| Cable wiring methods installed in a groove shall be protected by a 1/16" thick steel plate. | 300.4(E) |
| Direct-buried cable feeding a multi-dwelling unit shall have 24" of cover. | 300.5(A) and T300.5 |
| Ungrounded conductors shall be physically protected to a height of at least 8'. | 300.5(D) |
| A bushing is required where underground cable leaves conduit providing physical protection. | 300.5(H) |
| _____ shall be suitably protected against corrosion inside and outside by a coating of approved corrision-resistant material. | Ferrous metal raceways, metal elbows 300.6(A) |
| 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. | 300.6(D) |
| Expansion joints in raceway systems shall be installed where necessary to compensate for thermal movement. | 300.7(B) |
| In multiwire branch circuits, the continuity of the grounded conductor shall NOT depend on device connections such as lampholders, receptacles, and so forth, where the removal of such devices would interrupt the continuity. | 300.13(B) |
| In general, at least 6" of free conductor shall be left at each outlet. | 300.14 |
| In general, the free length of conductor at a switch outlet shall be NOT less than 6". | 300.14 |
| No conduit shall be run through a duct used for dust removal. | True 300.22(A) |
| Where a raceway enters from an underground system, the end within the building shall be sealed with an identified compound so as to prevent the entrance of moisture or gases. | 300.50(E) |
| Each feeder disconnect rated 1000A or more and installed on a solidly grounded eye electrical systems of more than 150 volts to ground, but not exceeding 600 volts phase-to-phase, shall be provided with ground-fault protection of equipment. | 215.10 |
| Except in dwellings, each 5’ or fraction of multi outlet assembly strip is usually considered as a load of 180VA. | 220.14(H) |
| The neutral feeder conductor shall be capable of carrying the maximum unbalanced load. | 220.61(A) |
| A demand factor of 70% may be applied to the neutral feeder load for electric ranges. | 220.61(B) |
| Where a building or structure has any combination of feeders, branch circuits, or services passing through it or supplying it, a permanent plaque or directory shall be installed at each feeder and branch circuit disconnect location. | 225.37 |
| Where installed in raceways, conductors of size 8 AWG and larger shall be stranded. | 310.3 |
| In general, copper conductors of size #1/0 and larger comprising each phase, neutral, or grounded circuit conductor, shall be permitted to be connected in parallel. | 310.4 |
| The paralleled conductors in each phase, polarity, neutral, or grounded circuit conductor shall comply with all of the following: 1.) Be the same length 2.) Have the same conductor material 3.) Be the same size in circular mil area. 4.)? 5.)? | 4.) Have the same insulation type 5.) Be terminated in the same manner 310.4 |
| Derating factors shall NOT apply to conductors in nipples having a length NOT exceeding 24". | 310.15(B)(2)(a)exc. 3 |
| The maximum number of #14 conductors permitted in a 1 1/2" x 4" octagonal outlet box is 7. | T314.16(A) |
| The number of #12 conductors allowed in a 4" x 1 1/4" octagon box is 5. | T314.16(A) |
| If a 1 1/2" x 4" octagonal box contains a fixture stud and a cable clamp, the maximum number of #14 conductors shall be reduced to 5. | T314.l6(A) and 314.16(B)(2-3) |
| The cubic inch rating of a #10 conductor is 2.50 cubic inches. | T314.16(B) |
| Where on or more fittings are within a box, the count toward the fill is based on the largest conductor entering the box. | true 314.16(B)(2) |
| For the purpose of determining the maximum number of conductors in boxes, two conductors shall be counted for each yoke or strap. | 314.16(B)(4) |
| The front edge of an outlet box in a noncombustible ceiling may be 1/4" back from the surface. | 314.20 |
| 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 | None of these 314.20 |
| 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". | 314.20 |
| Plaster, drywall, or plasterboard surfaces that are broken or incomplete around boxes employing a flush-type cover or faceplate shall be repaired so there will be no gaps or open spaces greater than 1/8" at the edge of the box. | 314.21 |
| Wooden supports for boxes in concealed work shall NOT be less than nominal 1"x 2". | True 314.23(B)(2) |
| Where necessary, a shallow outlet box NOT less than 1/2" deep may be used. | 314.24 |
| The internal depth of outlet boxes intended to enclose flush devices shall be at least 15/16". | 314.24 |
| Nonmetallic boxes may have nonmetallic or metallic covers. | 314.25(A) |
| Outlet boxes or fittings shall be permitted to support luminaries weighing 50 pounds or less. | 314.27(B) |
| For raceways containing conductors of 4 AWG or larger, the minimum dimensions of pull or junction boxes installed in a raceway shall comply. | 314.28(A) |
| In straight pulls, the length of the box shall NOT be less than eight times the trade size of the largest raceway. | 314.28(A)(1) |
| In angle or U pulls, the length of the box shall be six times the trade size of the largest raceway plus the sum of all other raceway diameters in the same row on the same wall of the box. | 314.28(A)(2) |
| In pull boxes or junction boxes having any dimensions over 6' , all conductors shall be cabled or racked up in an approved manner. | 314.28(B) |
| NM cable shall be permitted for both exposed and concealed work in normally dry locations. | 334.10(A)(1) |
| NM cable is NOT permitted in commercial garages having hazardous locations. | 334.12(A)(4) |
| NMS cable (romex) shall be protected to a height of at least 6" above the floor. | 334.15(B) |
| 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. | 334.30 |
| In general, LFNC other than Type LFNC-B is limited in length to 6'. | 356.12(3) |
| EMT shall be supported within 3' of outlet boxes. | 358.30(A) |
| The area of conductors and splices in a gutter shall NOT exceed 75% of the cross-sectional area. | 366.56(A) |
| Busways shall be securely supported at intervals NOT exceeding 5'unless otherwise designed and marked. | 368.30 |
| The minimum size of conductors permitted in a calebus is No. ____? a.) 1 b.) 1/0 c.) 2 d.) 2/0 | 1/0 390.4 |
| No conductor larger than 1/0 AWG shall be installed in cellular metal floor raceways, except by special permission. | 374.4 |
| The largest size conductor permitted in an underfloor raceway is _____? a.) 250 kcmil b.) No.0 c.) 500 kcmil d.) determined by design | D.) determined by design 390.4 |
| The combined cross-sectional area of all conductors or cables in an underfloor raceway shall NOT exceed 40%. | 390.5 |
| All 3-way and 4-way switches shall be wired so that the UNGROUNDED conductor is switched. | 404.2(A) |
| A snap switch shall not be grouped or ganged in enclosures with other snap switches, receptacles, or similar devices unless they are arranged so that the voltage between adjacent devices does not exceed 300V. | 404.8(B) |
| In general, the voltage between conductors on a branch circuit supplying 15A receptacles shall be NOT greater than 250V. | 406.2(A) |
| Receptacles mounted to and supported by a cover shall be held rigidly against the cover by more than one screw. | 406.4(C) |
| 15 and 20A,125 and 250V receptacles installed in a wet location shall have an enclosure that is weatherproof whether or not the attachment plug cap is inserted. | 406.8(B) |
| Switchboards with exposed live parts shall be located in permanently dry locations accessible only to qualified persons. | True 408.20 |
| A lighting and appliance panelboard is one having more than 10% of its overcurrent devices protecting lighting and appliance branch circuits. | 408.34(A) |
| Not over 42 overcurrent devices for a lighting and appliance panelboard, other than the mains, are permitted in one cabinet. | 408.35 |
| A lighting and appliance panelboard shall NOT have more than 42 OCPDs. | 408.35 |
| Each grounded conductor shall terminate within the panelboard in an individual terminal that is NOT also used for another conductor. | 408.41 |
| No part of suspended luminaires shall be located within a zone measured 3'horizontally and 8' vertically from the top of the bathtub rim. | 410.4(D) |
| Surface mounted fluorescent lighting fixtures shall be located at least 6" from the storage space in a clothes closet. | 410.8(D)(2) |
| Branch circuit conductors within 3" of a ballast shall have an insulation temperature rating NOT lower than 90 degrees celcius. | 410.33 |
| Recessed lighting fixtures shall have at least 1/2" clearance from combustible material. | 410.66(A)(1) |
| The metal raceway enclosing tap conductors for recessed fixtures shall NOT be less than 18", nor more than 6' long. | 410.67(C) |
| The ballast of a fluorescent luminaire installed indoors shall have integral thermal protection. | 410.73(E)(1) |
| Water heaters rated over 300VA shall have a disconnecting means located within 50' and within sight. | 422.31(B) |
| The branch circuit switch or CB may serve as the disconnecting means for a permanently connected appliance of over 300VA or 1/8 HP, where capable of being locked or within sight. | 422.31(B) |
| The lead wire of electric space-heating cables shall have the following color identification to indicate the voltage on which is to be used. 120V-yellow, 208V-blue, 240V-red, 277V-brown, 480-orange | 424.35(1-5) |
| Separate motor overload protection shall be based on the motor nameplate current rating. | 430.36 |
| Fuses used as motor overload protection devices shall be inserted in each ungrounded conductor. | 430.36 |
| In general, the disconnecting means for a motor shall be within sight of the controller. | True 430.102(A) |
| Disconnecting means for air conditioning and refridgeration equipment shall be located within sight AND readily accessible from the equipment. | 440.14 |
| Dry-type transformers installed indoors and rated 112 1/2 kVA or less shall have a separation of at least 12"from combustible material. | 450.21 (A) |
| Individual dry-type transformers or more than 112 1/2 kVA rating shall be installed in a transformer room of fire-resistant construction. | 450.21(A) |
| High fire point, liquid-insulated transformers installed indoors shall be installed in vaults if rated over A.) 5000V B.) 15,000V C.) 25,000V D.) 35,000V | 35,000V 450.23(A)(1)(a) |
| The walls and roofs of transformer vaults shall have a minimum fire resistance of _____ hour(s). A.) 1 B.) 2 C.) 3 D.)Neither A, B, C | 3 450.42 |
| Conductors supplying a capacitor with a nameplate current of 50A shall be rated not less than ____A. A.) 57.5A B.) 62.5A C.) 67.5A D.) 75A | 67.5A 460.8(A) |
| Hazardous concentrations of gas or vapor are not normally present in class 1, division 1 locations. |
Created by:
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