Question 1

Entrance cables must be supported within ____ in. of every raceway or enclosure connection.

Accepted Answer

A)  6 
B)  12 
C)  18 
D)  24 
A)  6 
B)  12 
C)  18 
D)  24 B

Question 2

Type ____ cable can be formed in a gooseneck and taped with a self-sealing weather-resistant thermoplastic.

Accepted Answer

A)  SL 
B)  ME 
C)  SE 
D)  WE 
A)  SL 
B)  ME 
C)  SE 
D)  WE C

Question 3

Splices in wire-type grounding electrode conductors are acceptable only if by means of irreversible compression-type connectors (listed as grounding and bonding equipment) or by the ____.

Accepted Answer

A)  endothermic welding process 
B)  exothermic welding process 
C)  cold fusion 
D)  hot spark technique 
A)  endothermic welding process 
B)  exothermic welding process 
C)  cold fusion 
D)  hot spark technique B

Question 4

Panelboards shall be mounted in cabinets, cutout boxes, or identified enclosures and shall be ____.

Accepted Answer

A)  removable 
B)  drop down 
C)  dead front 
D)  metallic 
A)  removable 
B)  drop down 
C)  dead front 
D)  metallic

Question 5

Conductor sizes are expressed in American Wire Gage (AWG) or in ____.

Accepted Answer

A)  circular mils 
B)  copper gauge units 
C)  diameter in inches 
D)  millimeters squared 
A)  circular mils 
B)  copper gauge units 
C)  diameter in inches 
D)  millimeters squared

Question 6

Circuit breakers must have a voltage rating (clearly marked) ____ voltage.

Accepted Answer

A)  no more than the nominal system 
B)  within a predetermined range 
C)  no less than a predetermined range 
D)  no less than the nominal system 
A)  no more than the nominal system 
B)  within a predetermined range 
C)  no less than a predetermined range 
D)  no less than the nominal system

Question 7

Voltage between overhead conductors does not exceed ____ volts.

Accepted Answer

A)  100 
B)  200 
C)  300 
D)  400 
A)  100 
B)  200 
C)  300 
D)  400

Question 8

Overhead service conductors, accessible only to pedestrian traffic, must have a minimum ____-ft vertical clearance above finished grade.

Accepted Answer

A)  6 
B)  8 
C)  10 
D)  12 
A)  6 
B)  8 
C)  10 
D)  12

Question 9

Service-entrance and overhead service conductors shall be arranged so that ____.

Accepted Answer

A)  lightening rods will extend above them 
B)  water shall not enter the service raceway or equipment 
C)  sealed service head is not exposed 
D)  the main body is supported by rigid masting 
A)  lightening rods will extend above them 
B)  water shall not enter the service raceway or equipment 
C)  sealed service head is not exposed 
D)  the main body is supported by rigid masting

Question 10

Circuit breakers and fuses can be connected in parallel provided they are ____.

Accepted Answer

A)  rated at 100 amperes or less 
B)  installed along the main feeder line 
C)  rated at 100 amperes or more 
D)  factory assembled and listed as a unit 
A)  rated at 100 amperes or less 
B)  installed along the main feeder line 
C)  rated at 100 amperes or more 
D)  factory assembled and listed as a unit

Question 11

Working space illumination shall not be ____.

Accepted Answer

A)  controlled by a switch plate 
B)  applied via a branch circuit 
C)  controlled by automatic means only 
D)  located along a bearing wall 
A)  controlled by a switch plate 
B)  applied via a branch circuit 
C)  controlled by automatic means only 
D)  located along a bearing wall

Question 12

Type USE cable used for service laterals can ___.

Accepted Answer

A)  be contained in a raceway 
B)  be locally grounded 
C)  emerge aboveground at outside terminations 
D)  be indirectly buried 
A)  be contained in a raceway 
B)  be locally grounded 
C)  emerge aboveground at outside terminations 
D)  be indirectly buried

Question 13

Underground service conductors are defined as the underground conductors between the service point and the ____ to the service-entrance conductors in a terminal box.

Accepted Answer

A)  first interior branch 
B)  first point of connection 
C)  primary junction 
D)  secondary branch 
A)  first interior branch 
B)  first point of connection 
C)  primary junction 
D)  secondary branch

Question 14

The radius of the curve of the inner edge of any bend in service-entrance cable must be at least ____ times the diameter of the cable.

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
A)  two 
B)  three 
C)  four 
D)  five

Question 15

Conductors must have a vertical clearance of at least ____ ft above the roof surface.

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Question 16

Main bonding jumpers and system bonding jumpers must be made of ____ or other corrosion-resistant material.

Accepted Answer

A)  aluminum 
B)  stainless steel 
C)  sheathed aluminum 
D)  copper 
A)  aluminum 
B)  stainless steel 
C)  sheathed aluminum 
D)  copper

Question 17

Two to ____ circuit breakers or sets of fuses are acceptable as the overcurrent device to provide overload protection.

Accepted Answer

A)  three 
B)  four 
C)  six 
D)  eight 
A)  three 
B)  four 
C)  six 
D)  eight

Question 18

A one-family dwelling service disconnecting means must have a minimum rating of ____.

Accepted Answer

A)  120 amperes, 4-wire 
B)  100 amperes, 2-wire 
C)  100 amperes, 3-wire 
D)  120 amperes, 3-wire 
A)  120 amperes, 4-wire 
B)  100 amperes, 2-wire 
C)  100 amperes, 3-wire 
D)  120 amperes, 3-wire

Question 19

The ampere rating of any circuit breaker rated at ____ amperes or less, and 1000 volts or less, must be molded, stamped, etched, or similarly marked into the handle or escutcheon area.

Accepted Answer

A)  75 
B)  100 
C)  125 
D)  150 
A)  75 
B)  100 
C)  125 
D)  150

Question 20

Cartridge fuses and fuseholders are classified according to ____.

Accepted Answer

A)  voltage and amperage ranges 
B)  ampere ranges and melt-down 
C)  wattage or heat capacity 
D)  voltage ranges 
A)  voltage and amperage ranges 
B)  ampere ranges and melt-down 
C)  wattage or heat capacity 
D)  voltage ranges

Entrance cables must be supported within ____ in. of every raceway or enclosure connection.

Type ____ cable can be formed in a gooseneck and taped with a self-sealing weather-resistant thermoplastic.

Splices in wire-type grounding electrode conductors are acceptable only if by means of irreversible compression-type connectors (listed as grounding and bonding equipment) or by the ____.

Panelboards shall be mounted in cabinets, cutout boxes, or identified enclosures and shall be ____.

Conductor sizes are expressed in American Wire Gage (AWG) or in ____.

Circuit breakers must have a voltage rating (clearly marked) ____ voltage.

Voltage between overhead conductors does not exceed ____ volts.

Overhead service conductors, accessible only to pedestrian traffic, must have a minimum ____-ft vertical clearance above finished grade.

Service-entrance and overhead service conductors shall be arranged so that ____.

Circuit breakers and fuses can be connected in parallel provided they are ____.

Working space illumination shall not be ____.

Type USE cable used for service laterals can ___.

Underground service conductors are defined as the underground conductors between the service point and the ____ to the service-entrance conductors in a terminal box.

The radius of the curve of the inner edge of any bend in service-entrance cable must be at least ____ times the diameter of the cable.

Conductors must have a vertical clearance of at least ____ ft above the roof surface.

Main bonding jumpers and system bonding jumpers must be made of ____ or other corrosion-resistant material.

Two to ____ circuit breakers or sets of fuses are acceptable as the overcurrent device to provide overload protection.

A one-family dwelling service disconnecting means must have a minimum rating of ____.

The ampere rating of any circuit breaker rated at ____ amperes or less, and 1000 volts or less, must be molded, stamped, etched, or similarly marked into the handle or escutcheon area.

Cartridge fuses and fuseholders are classified according to ____.

Introduction to the National Electrical Code

Definitions

Boxes and Enclosures

Cables

Raceways and Conductors

General Provisions

Specific Provisions

Load Calculations

Comprehensive Provisions

Load Calculations

General Provisions

Nondwelling Load Calculations

Services, Feeders, and Equipment

Hazardous Classified Locations

Health Care

Industrial Locations

Special Occupancies

Specific Equipment

Filters

Exam 9: Services and Electrical Equipment

Entrance cables must be supported within ____ in. of every raceway or enclosure connection.

Type ____ cable can be formed in a gooseneck and taped with a self-sealing weather-resistant thermoplastic.

Splices in wire-type grounding electrode conductors are acceptable only if by means of irreversible compression-type connectors (listed as grounding and bonding equipment) or by the ____.

Panelboards shall be mounted in cabinets, cutout boxes, or identified enclosures and shall be ____.

Conductor sizes are expressed in American Wire Gage (AWG) or in ____.

Circuit breakers must have a voltage rating (clearly marked) ____ voltage.

Voltage between overhead conductors does not exceed ____ volts.

Overhead service conductors, accessible only to pedestrian traffic, must have a minimum ____-ft vertical clearance above finished grade.

Service-entrance and overhead service conductors shall be arranged so that ____.

Circuit breakers and fuses can be connected in parallel provided they are ____.

Working space illumination shall not be ____.

Type USE cable used for service laterals can ___.

Underground service conductors are defined as the underground conductors between the service point and the ____ to the service-entrance conductors in a terminal box.

The radius of the curve of the inner edge of any bend in service-entrance cable must be at least ____ times the diameter of the cable.

Conductors must have a vertical clearance of at least ____ ft above the roof surface.

Main bonding jumpers and system bonding jumpers must be made of ____ or other corrosion-resistant material.

Two to ____ circuit breakers or sets of fuses are acceptable as the overcurrent device to provide overload protection.

A one-family dwelling service disconnecting means must have a minimum rating of ____.

The ampere rating of any circuit breaker rated at ____ amperes or less, and 1000 volts or less, must be molded, stamped, etched, or similarly marked into the handle or escutcheon area.

Cartridge fuses and fuseholders are classified according to ____.

Introduction to the National Electrical Code

Definitions

Boxes and Enclosures

Cables

Raceways and Conductors

General Provisions

Specific Provisions

Load Calculations

Comprehensive Provisions

Load Calculations

General Provisions

Nondwelling Load Calculations

Services, Feeders, and Equipment

Hazardous Classified Locations

Health Care

Industrial Locations

Special Occupancies

Specific Equipment

Filters