NEC CODE

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

2. Temporary Electrical Power And Lighting Installations Shall Be Permitted _______. A.For Permanent Wiring B.During Emergencies And For Tests C.None Of These D.For Permanent Use

During Emergencies And For Tests

67. _______________ Enclosures Are Constructed So That Dust Will Not Enter Under Specific Test Conditions. A.Dusttight B.Neither C.Either D.Dust-Ignitionproof

Dusttight

16. A __________________ That Performs Field Evaluations Of Electrical Equipment Or Other Equipment Is Know As A "Field Evaluation Body). A.Organization B.Part Of An Organization C.Either D.Neither

Either

62. A Circuit Breaker Should Always Be Rated At A Voltage _______________________. A.Of 10,000V B.Equal To Or Greater Than The System Voltage C.Equal To The System Voltage D.Equal To 150% Of The System Voltage

Equal To Or Greater Than The System Voltage

6. Match Each Chapter Description With The Chapter Number.Equipment For General Usewiring Methods And Materials Wiring And Protectionspecial Occupanciescommunication Systemstablesspecial Equipment Generalspecial Conditions

Equipment For General Use → Chapter 4, Wiring Methods And Materials → Chapter 3, Wiring And Protection → Chapter 2, Special Occupancies → Chapter 5, Communication Systems → Chapter 8, Tables → Chapter 9, Special Equipment → Chapter 6, General → Chapter 1, Special Conditions → Chapter 7

36. Each Disconnecting Means Shall Be Legibly Marked To Indicate Its Purpose Unless Located And Arranged So The Purpose Is Answer .

Evident

18. In Class 2, Division 2 Locations, Flexible Cords Can Serve As The Supporting Means For A Pendant Luminaire. A.True B.False

False

28. The Conductors Supported By Messenger Is Permitted To Come Into Contact With The Messenger Supports Or Any Structural Members, Walls, Or Pipes. True False

False

37. Incandescent Luminaires That Have Open Lamps, Pendant-Type Luminaires, Can Be Installed In The Clothes Closets Where Proper Clearance Is Maintained From Combustible Products. True False

False

53. Masts And Metal Structures Supporting Antennas Must Be Grounded In Accordance With The Requirements Of Article 250. True False

False

58. In Health Care Facilities, Isolated Grounding Receptacles Shall Be Installed In A Patient Care Vicinity. A.True B.False

False

71. Extensions From Wireways By Raceway Or Cable Wiring Methods Are Not Permitted. True False

False

79. Type Nm Cable Can Be Installed As Open Runs In DroPPEd Or Suspended Ceilings In Other Than One And Two-Family Dwellings. True False

False

83. Metal Wireways Can Be Installed Either Exposed Or Concealed Under All Conditions. True False

False

69. A Ground Fault Circuit Interrupter Is Typically Referred To As A ________________. A.Gfc B.Icfg C.GFCI D.Gci

GFCI

5. Chapters 1-4 Of The Nec Apply __________. A.Only To Special Equipment B.Only To Special Occupancies C.All Of These D.Generally To All Electrical Installations

Generally To All Electrical Installations

31. A.H B.X C.F D.S

H

54. A Limtied Supervising Electrician May Direct An Electrical Installation In An Existing _____________. A.Dwelling Unit B.Hospitaloar 918-282-0160 C.Mutilfamily Dwelling D.Duplex

Hospital

52. According To The Code "Automatic" Is Performing A Function Without The Necessity Of _____________. A.All Of These B.Human Intervention C.Mechanical Linkage D.Protection From Damage

Human Intervention

38. Cable Trays And Their Associated Fittings Shall Be ______ For Intended Use. A.Approved B.None Of These C.Listed D.Identified

Identified

70. The Nec Covers _________ Substations. A.Utility Owned B.None Of These C.Industrial D.Both

Industrial

26. All Ac Services Are Required To Be Grounded ______________. A.On The Load Side Of The Service Disconnect B.On The Supply Side Of The Service Disconnect C.Within The Housing For The Kilowatt-Hour Meter D.Anywhere In The System

On The Supply Side Of The Service Disconnect

61. Working Space Distances For Enclosed Live Parts Shall Be Measured Form The _______ Of Equipment Or Apparatus, If The Live Parts Are Enclosed. A.Opening B.Opening Or Enclosure C.Enclosure D.None Of These

Opening Or Enclosure

9. Working Space Distances For Enclosed Live Parts Shall Be Measured Form The _______ Of Equipment Or Apparatus, If The Live Parts Are Enclosed. A.Opening Or Enclosure B.Enclosure C.None Of These D.Opening

Opening Or Enclosure

29. An Owner Of A Facility Having Electrical Employees _______________ To The Division The Names And License Numbers Of The Limited Supervising Or Limited Maintenance Electricians Employed. A.Shall Report In Writing Twice A Year B.Does Not Have To Report C.Can Report D.Shall Report In Writing

Shall Report In Writing

55. A _______ Is A Electrical Subset Of A Photovoltaic Array. A.Module B.Panel C.Subarray D.Circuit

Subarray

76. Emt Couplings And Connectors Shall Be Made Up ____________. A.In Accordance With Industry Standards B.Tight358.42 C.None Of These D.Of Metal

Tight

15. An Equipment Grounding Conductor Is Not Required In Rigid Nonmetallic Conduit It The Grounded Conductor Is Used To Ground Equipment As Permitted In Section 250.142. True False

True

19. An Individual 20 Amp Branch Circuit Is Permitted To Supply Power To A Single Bathroom In A Dwelling For Receptacle Outlet(S) And Other Equipment Within The Same Room. True False

True

20. Where No Statutory Requirement Exists, The Authority Having Jurisdiction Could Be A Property Owner Or His/Her Agent, Such As An Architect Or Engineer. True False

True

21. Where Communications Wires And Cables Are Installed In A Chapter 3 Raceway, The Raceway Shall Be Installed In Accordance With Chapter 3 Requirements. A.False B.True

True

23. Fmc Can Be Installed Exposed Or Concealed Where Not Subject To Physical Damage. True False

True

27. Two Or More Grounding Electrodes Bonded Together Are Considered To A Single Grounding Electrode System. A.True B.False

True

32. The Circuit Of A Control Apparatus Or System That Carries The Electric Signals Directing The Performance Of The Controller But Does Not Carry The Main Power Current Is A Motor Control Circuit. True False

True

4. Equipment Enclosures On Piers Shall Be Located So As Not To Interfere With Mooring Lines. A.False B.True

True

42. Accessible Portions Of Abandoned Optical Fiber Cable Shall Be Removed. A.True B.False

True

44. In Class Ii Locations, A Permitted Method Of Bonding Is The Use Of Bonding Jumpers With Proper Fittings. A.False B.True

True

47. Alternating Current Circuits Less Than 50V Shall Be Grounded If Supplied By A Transformer Whose Supply System Exceeds 150V To Ground. True False

True

57. The Derating Factors In 310.15(B)(3)(A) Apply To A Nonmetallic Wireway. True False

True

65. Where Conductors In Parallel Are Run In Separate Raceways, The Raceways Shall Have The Same Electrical Characteristics. A.True B.False

True

68. A "Raceway" Is An Enclosed Channel Designed Expressly For The Holding Of Wires, Cables, Or Busbars, With Additional Functions As Permitted In The Code. A.False B.True

True

77. Strut-Type Channel Raceway Enclosures Must Have A Means For Connecting An Equipment Grounding Conductor. The Raceway Is Permitted As An Equipment Grounding Conductor In Accordance With 250.118(14). True False

True

82. Switches Must Not Be Installed Within Wet Locations In Tub Or Showers Spaces Unless Installed As Part Of A Listed Tub Or Shower Assembly. True False

True

90. Trees Can Be Used To Support Outdoor Luminaires. True False

True

60. No __________ Splices Or Taps Shall Be Made Within Or On A Luminaire. A.Untested B.Unnecessary C.Unapproved D.Uninspected

Unnecessary

80. Conduit Installed Underground Or Encased In Concrete Slabs That Are In Direct Contact With The Earth Is Considered A _____ Location. A.Wet B.Dry C.Damp D.Moist

Wet

40. The Service Disconnecting Means Shall Plainly Indicate _______. A.The Maximum Fuse Size B.Whether It Is In The Open Or Closed Position C.The Maximum Horsepower Rating D.Its Voltage Rating

Whether It Is In The Open Or Closed Position

75. Electrical Equipment Shall Be Installed In A Neat And Answer Manner.

Workmanlike

3. A Single Receptacle Is A Single Contact Device With No Other Contact Device On The Same _________. A.Yoke B.Equipment C.Circuit D.Run

Yoke

43. What Table Is Used For Enclosure Selection? A.110.14 B.110.28 C.110.34(A) D.110.31

110.28

73. The Nominal Gas Pressure For Igs Cable Insulation Shall Be ___________ Lbs Per Sq. Inch Gage. A.10 B.20 C.5 D.15

20

35. Transformers With A Kva Rating Greater Than _______ Shall Be Marked With Its Impedance. A.25 B.20 C.15 D.10

25

48. No Parts Of Pendants Shall Be Located Within A Zone Measured _____Ft. Horizontally And 8 Ft. Vertically From The Top Of The Bathtub Rim. A.3 B.6 C.4 D.2

3

8. In Panelboards, Where The Voltage On Busbars Is 150 Volts And The Bars Are Opposite Polarity, Held In Free Air, The Minimum Spacing Between The Parts Are _________. A.3/4" B.1" C.2" D.1.5"

3/4"

87. Voltage Between The Ungrounded Conductors On Fcc Cable Shall Not Exceed ______ Volts. A.150 B.50 C.300 D.600

300

1. Live Parts Exposed On The Front Of A Switchboard Are Present, The Working Space In Front Of The Switchboard Shall Not Be Less Than _______ Inches. A.42 B.24 C.36 D.30

36

46. A Run Of Imc Shall Not Contain More Than The Equivalent Of ________ Quarter Bend(S) Between Pull Points Such As Conduit Bodies And Boxes. A.3 B.2 C.1 D.4

4

74. A Run Of Imc Shall Not Contain More Than The Equivalent Of ________ Quarter Bend(S) Between Pull Points Such As Conduit Bodies And Boxes. A.2 B.3 C.1 D.4

4

89. Luminaires Is ________ Article In The Nec Code Book. A.408 B.410 C.430 D.210

410

33. Which Of The Following Switches Shall Indicate Whether They Are In The Open (On)Or Closed (Off) Position? A.All Of These B.General Use Switch C.Circuit Breakers D.Motor Circuit Switches

All Of These

41. Emergency Systems Transfer Equipment, Including Transfer Switches Shall Be ________. A.Approved By The Ahj B.Automatic C.Identified For Emergency Use D.All Of These

All Of These

78. The Grounding Conductor For Secondary Circuits Of Instrument Transformers And For Instrument Cases Shall Not Be Smaller Than #12 _______. A.Aluminum B.Metal C.CoPPEr Or Aluminum D.CoPPEr

CoPPEr

84. Which Of The Following Conductors Has A Greater Resistance.(A) 12 Awg CoPPEr Thhn(B) 14 Awg CoPPEr Thhn A.Conductor A B.Conductor B C.There Is No Way To Know. D.The Resistance Are The Same.

Conductor B

25. __________ Boxes Shall Not Be Used Where Conduits Or Connectors Requiring The Use Of Locknuts Or Bushings Are To Be Connected To The Side Of The Box. A.Gang B.Shallow C.Device D.Round

Round

34. Fuses And Circuit Breakers Are Refered To As __________ In This Chapter. A.Current Increasers B.Safety Valves C.Current Reducers D.Testing Devices

Safety Valves

64. The Ampacity Of Types Nm And Nmc Cable Shall Be That Of ______ Conductors. A.140 Degrees Celsius B.60 Degrees Celsius C.90 Degrees Celsius D.75 Degrees Celsius

60 Degrees Celsius

11. In A Recreational Vehicle Park With Electrical Supply, At Least _______ % Of The Sites Shall Be EquiPPEd With 30 Ampere, 125 Volt Receptacles. A.5 B.100 C.20 D.70

70

50. Metal Surface Raceways Having Splices And Taps Shall Be Permitted As Long As The Splices And Taps Are Conductors Do Not Fill The Raceway More Than _________ Percent Of The Area Of The Raceway At That Point. A.70 B.40 C.75 D.50

75

63. Metal Surface Raceways Having Splices And Taps Shall Be Permitted As Long As The Splices And Taps Are Conductors Do Not Fill The Raceway More Than _________ Percent Of The Area Of The Raceway At That Point. A.75 B.40 C.70 D.50

75

24. Whats The Wattage Value For A Load Rated At 8Kw? A.8,000W B.800W C.4,000W D.8W

8,000W

30. Capable Of Being Reached Quickly For Operation, Renewal, Or Inspection Without Resorting To Portable Ladders Or The Use Of Tools ( Other Than Keys) Is Known As _______________. A.All Of These B.Accessible (As Applied To Equipment) C.Accessible, Readily D.Accessible (As It Applies To Wiring Methods )

Accessible, Readily

86. A Limited Manufacturing Plant Electrician _______________ Electrical Products In An Industrial Plant Owned By The Licensees Employer. A.All Of The Above B.Can Install C.Can Maintain D.Can Replace And Repair

All Of The Above

12. A.1.34 B.1.2426 C.1.07 D.0.98

1.2426

59. The Controller Disconnecting Means Shall Not Be Required To Be In Sight From The Motor And The Driven Machinery Location, Provided ___________. A.Locating The Motor Disconnecting Means Within Sight Of The Motor Introduces Additional Or Increased Hazards To People Or Property. B.Locating The Motor Disconnecting Means Within Sigh Of The Motor Is Impractical. C.All Of These D.The Controller Disconnecting Means Is Lockable, In Accordance With 110.25

All Of These

72. Switches Shall Be Marked With The _______. A.All Of These B.Maximum Horsepower, If Horsepower Rated C.Voltage D.Current

All Of These

49. A Registered Signing Supervising Electrician Shall Provide Direct Supervision Or Control On A Job By _________________. A.Be Available In Person To Meet The Inspector On The Job Site Within 2 Business Days B.Having Continuously Employed Full Time Supervising Electrician On The Job Site C.Being On The Job Site D.All Of These Statements Are True

All Of These Statements Are True

45. The Amount Of Current A Conductor Can Safely Carry Is Called __________. A.Current Ability. B.Volume. C.Safety Factor. D.Ampacity.

Ampacity.

10. Where Caution, Warning, Or Danger Signs Or Labels Are Required By This Code, The Label Marking Shall Warn Of The Hazards Using Effective ___________. A.Colors B.Any Combination Of Words, Colors, Or Symbols C.Symbols D.Words

Any Combination Of Words, Colors, Or Symbols

7. Grounding Electrode Conductors Smaller Than #6 Shall Be In _____________. A.Any Of These B.Pvc C.Imc D.Emt

Any Of These

88. Receptacles Rated Other Than 125V, Single Phase, 15A, 20A And 30A For Temporary Installations Shall Be Protected By ____________. A.A Written Assured Equipment Grounding Conductor Program B.SpGFCI Protection For Personnel C.GFCI Protection For Personnel D.Any Of These

Any Of These

22. The Resistance Of A Conductor Depends Upon The ______________. A.Ambient Temperature. B.Both The Operating Temp And Material Of Conductor C.Material Of The Condcutor. D.Operating Temperature.

Both The Operating Temp And Material Of Conductor

66. Bcd Means

Building Codes Division

91. Match Each Article With The Corresponding Article Number .Industrial Machinery Electrical Metallic Tubingtransformers Rigid Metal Conduitenclosuresbuswaysgrounding And Bonding Cable Traysgeneratorsfeedersconductors For General Wiring Fire Pumpsbranch Circuitsintroductioncommunication Circuitsmotorslow-Voltage Lighting Overcurrent Protectiondefinitionstemporary Installationsemergency Systems

Industrial Machinery → 670, Electrical Metallic Tubing → 358, Transformers → 450, Rigid Metal Conduit → 344, Enclosures → 314, Busways → 368, Grounding And Bonding → 250, Cable Trays → 392, Generators → 445, Feeders → 215, Conductors For General Wiring → 310, Fire Pumps → 695, Branch Circuits → 210, Introduction → 90, Communication Circuits → 800, Motors → 430, Low-Voltage Lighting → 411, Overcurrent Protection → 240, Definitions → 100, Temporary Installations → 590, Emergency Systems → 700

14. Raceways Shall Be ______ Between Outlet, Junction, Or Splicing Points Prior To The Installation Of Conductors. A.A Minimum Of 80% Complete B.Tested For Ground Faults C.None Of These D.Installed Complete

Installed Complete

85. A(N) ________ Surge Protection Device Shall Be Installed In Or On The Fire Pump Controller. A.Listed B.Identified C.Approved D.Labeled

Listed

39. Luminaires Installed In Class Ii, Div 1, Locations Shall Be Identified For The Location And Shall Be Clearly Marked To Indicate The _________________. A.Minimum Conductor Size B.All Of These C.Maximum Overcurrent Protection Permitted D.Maximum Wattage And Type Of Lamp For Which They Are Designed

Maximum Wattage And Type Of Lamp For Which They Are Designed

51. Type ____________ Cable Is A Factory Assembly Of One Or More Conductors, Each Individually Insulated And Enclosed In A Metallic Sheath Of Interlocking Tape, Or A Smooth Or Corrugated Tube. A.Mi B.Mc C.Ac D.Mv

Mc

56. In The Event Of A Conflict Between The Nec And Nesc Requirements, The _____________ Requirements Shall Apply. A.Ieee B.Necoar 918-305-010 C.Nesc D.Ansi

Nec

17. Resistance Is Measured In _________. A.Amps B.Watts. C.Volts D.Ohms

Ohms

81. Resistance Is Measured In _________. A.Volts B.Amps C.Watts. D.Ohms

Ohms

13. Nfpa 70E, Standard For Electrical Safety In The Workplace, Provides Guidance, Such As Determining, Planning Safe Work Practices, Arc-Flash Labeling And Selecting ____________. A.Coordinated Ocpd B.Neither C.PPE D.Either

PPE


Kaugnay na mga set ng pag-aaral

EDIFICIOS Renacimiento fuera de Italia

View Set

Chapter 4: Atmosphere & Global Radiation

View Set

Математика. «Простые задачи на сложение и вычитание» (1 класс)

View Set

List of High Schools in Virginia

View Set

Chapter 8 Certification Style Exam Quiz

View Set

Chapter 11: Retail and Wholesaling

View Set

6.3 Comparing Rates: The Effect of Compounding

View Set

3.3.4: Comparing the CPI and GDP Deflator

View Set