Question 1

With bonding conductor connections to electrodes, connections depending on solder are permitted.

Accepted Answer

A) True 
 B)False

Question 2

Concrete-encased electrodes of existing buildings or structures are not required to be part of the grounding electrode system if the steel reinforcing bars or rods are not accessible for use without disturbing the concrete.

Accepted Answer

A) True 
 B)False

Question 3

The supplemental electrode is permitted to be connected to the electrical system at several locations, with the exception of the ____.

Accepted Answer

A)   grounding electrode conductor
B)   grounded service-entrance conductor
C)   water pipe
D)   nonflexible grounded service raceway C

Question 4

Where ____ or more grounding electrodes are bonded together, a grounding electrode system is established.

Accepted Answer

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

Question 5

If piping is underground, metal, and used for water, regardless of the type of water and whether for domestic use or irrigation, drainage, or fire protection purposes, it must be used as a(n) ____________________ if it is in contact with the earth for ten feet or more.

Accepted Answer

grounding electrode

Question 6

Bare aluminum or copper-clad aluminum grounding electrode conductors are permitted to be installed where in direct contact with masonry.

Accepted Answer

A) True 
 B)False

Question 7

____ copper is the largest grounding electrode conductor that is required to be installed where the conductor connects directly to the rod, pipe, or plate grounding electrode.

Accepted Answer

A)   AWG3
B)   AWG6
C)   AWG9
D)   AWG12

Question 8

There is no maximum or minimum size of water pipe to determine whether the metal water pipe is required to be used as a grounding electrode.The ____ of underground metal water pipe in contact with the earth is the qualifying condition.

Accepted Answer

A)   width
B)   length
C)   diameter
D)   circumference

Question 9

If a single rod, pipe, or plate grounding electrode has a resistance to earth of ____ or less, the supplemental electrode shall not be required.

Accepted Answer

A)   25 ohms
B)   50 ohms
C)   75 ohms
D)   100 ohms

Question 10

For large services, busbar may be used from the ____________________ to service equipment.

Accepted Answer

transformer vault

Exam 3: Grounding Electrode System and Grounding Electrode Conductor

With bonding conductor connections to electrodes, connections depending on solder are permitted.

Correct Answer
verified

Concrete-encased electrodes of existing buildings or structures are not required to be part of the grounding electrode system if the steel reinforcing bars or rods are not accessible for use without disturbing the concrete.

Correct Answer
verified

The supplemental electrode is permitted to be connected to the electrical system at several locations, with the exception of the ____.

Correct Answer
verified
C

Where ____ or more grounding electrodes are bonded together, a grounding electrode system is established.

Correct Answer
verified

If piping is underground, metal, and used for water, regardless of the type of water and whether for domestic use or irrigation, drainage, or fire protection purposes, it must be used as a(n) ____________________ if it is in contact with the earth for ten feet or more.

Correct Answer
verified
grounding electrode

Bare aluminum or copper-clad aluminum grounding electrode conductors are permitted to be installed where in direct contact with masonry.

Correct Answer
verified

____ copper is the largest grounding electrode conductor that is required to be installed where the conductor connects directly to the rod, pipe, or plate grounding electrode.

Correct Answer
verified

There is no maximum or minimum size of water pipe to determine whether the metal water pipe is required to be used as a grounding electrode.The ____ of underground metal water pipe in contact with the earth is the qualifying condition.

Correct Answer
verified

If a single rod, pipe, or plate grounding electrode has a resistance to earth of ____ or less, the supplemental electrode shall not be required.

Correct Answer
verified

For large services, busbar may be used from the ____________________ to service equipment.

Correct Answer
verified
transformer vault

Exam 3: Grounding Electrode System and Grounding Electrode Conductor

With bonding conductor connections to electrodes, connections depending on solder are permitted.

Correct AnswerverifiedShow Answer

Concrete-encased electrodes of existing buildings or structures are not required to be part of the grounding electrode system if the steel reinforcing bars or rods are not accessible for use without disturbing the concrete.

Correct AnswerverifiedShow Answer

The supplemental electrode is permitted to be connected to the electrical system at several locations, with the exception of the ____.

Correct AnswerverifiedC

Where ____ or more grounding electrodes are bonded together, a grounding electrode system is established.

Correct AnswerverifiedShow Answer

If piping is underground, metal, and used for water, regardless of the type of water and whether for domestic use or irrigation, drainage, or fire protection purposes, it must be used as a(n) ____________________ if it is in contact with the earth for ten feet or more.

Correct Answerverifiedgrounding electrode

Bare aluminum or copper-clad aluminum grounding electrode conductors are permitted to be installed where in direct contact with masonry.

Correct AnswerverifiedShow Answer

____ copper is the largest grounding electrode conductor that is required to be installed where the conductor connects directly to the rod, pipe, or plate grounding electrode.

Correct AnswerverifiedShow Answer

There is no maximum or minimum size of water pipe to determine whether the metal water pipe is required to be used as a grounding electrode.The ____ of underground metal water pipe in contact with the earth is the qualifying condition.

Correct AnswerverifiedShow Answer

If a single rod, pipe, or plate grounding electrode has a resistance to earth of ____ or less, the supplemental electrode shall not be required.

Correct AnswerverifiedShow Answer

For large services, busbar may be used from the ____________________ to service equipment.

Correct Answerverifiedtransformer vault

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified
grounding electrode

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
transformer vault