Exam 3: Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 820
Exam 1: Introduction to the National Electrical Code30 Questions
Exam 2: Electrical Conductors and Cable30 Questions
Exam 3: Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 82030 Questions
Exam 4: Audio Physics30 Questions
Exam 5: Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 64030 Questions
Exam 6: Networking and Information Technology Equipment30 Questions
Exam 7: Power Supplies, Batteries, and Emergency Systems30 Questions
Exam 8: Article 725 of the National Electrical Code; Classification of Circuits30 Questions
Exam 9: Fire Alarm Systems and National Electrical Code Article 76030 Questions
Exam 10: Fiber-Optic Cable and National Electrical Code Article 77030 Questions
Exam 11: Telecommunications, and National Electrical Code Article 80030 Questions
Exam 12: Security and Card Access System Basics30 Questions
Exam 13: Wireless Communications and National Electrical Code Article 81030 Questions
Exam 14: Close Circuit Television Camera Systems and National Electrical Code Article 82030 Questions
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Match the definition in the left column with the correct term in the right column and place the answer in the corresponding blank on your answer sheet. Some cable types may be used more than once.
Premises:
________ Connects the system neutral and the equipment to the grounding electrode
Responses:
Ground fault
Grounding electrode systems
Equipment grounding conductor
Correct Answer:
Premises:
Responses:
Free
(Matching)
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(41)
Correct Answer:
The ________ provides the conductive path to connect the non-current carrying parts of equipment together.
Free
(Multiple Choice)
4.9/5
(38)
Correct Answer:
C
The NEC defines the term ground as "the earth".
Free
(True/False)
4.8/5
(37)
Correct Answer:
True
List three methods permitted for attaching EGC's and bonding jumpers to equipment.
(Essay)
4.8/5
(29)
A metal gas pipe is a suitable ground but only for communication equipment operating at 30V or less.
(True/False)
4.9/5
(29)
Not all clamps used for grounding and bonding need to be listed or labled.
(True/False)
4.9/5
(44)
Alternating current systems less than 50V must always be grounded.
(True/False)
4.7/5
(38)
The maximum harmless current intensity for the human body is ______.
(Multiple Choice)
4.9/5
(40)
Match the definition in the left column with the correct term in the right column and place the answer in the corresponding blank on your answer sheet. Some cable types may be used more than once.
Premises:
________ Earth ground
Responses:
Ground
Grounding electrode
Equipment grounding conductor
Correct Answer:
Premises:
Responses:
(Matching)
4.8/5
(37)
All electrical systems and cables need to maintain at least _________ of separation from the lightning protection system.
(Multiple Choice)
4.8/5
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The ground resistance of a single electrode should have a resistance to earth of not less than 25ohms.
(True/False)
4.8/5
(31)
Match the definition in the left column with the correct term in the right column and place the answer in the corresponding blank on your answer sheet. Some cable types may be used more than once.
Premises:
________ Referred to as the hot power line
Responses:
Grounded conductor
Grounding electrode conductor
Ground
Correct Answer:
Premises:
Responses:
(Matching)
4.9/5
(41)
Match the definition in the left column with the correct term in the right column and place the answer in the corresponding blank on your answer sheet. Some cable types may be used more than once.
Premises:
________ Conductive path to metallic parts of equipment
Responses:
Grounded conductor
Ungrounded conductor
Grounding electrode conductor
Correct Answer:
Premises:
Responses:
(Matching)
4.8/5
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Match the definition in the left column with the correct term in the right column and place the answer in the corresponding blank on your answer sheet. Some cable types may be used more than once.
Premises:
________ Circuit conductor that is intentionally grounded
Responses:
Ground fault
Grounded conductor
Ungrounded conductor
Correct Answer:
Premises:
Responses:
(Matching)
4.9/5
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The length of the primary protection bonding jumper shall not exceed __________.
(Multiple Choice)
4.8/5
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List the three conditions in which systems operating at 50V or less must be grounded.
(Essay)
4.9/5
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A bonding jumper for a supplemental grounding electrode is required to be not smaller than 14 AWG.
(True/False)
4.9/5
(35)
Match the definition in the left column with the correct term in the right column and place the answer in the corresponding blank on your answer sheet. Some cable types may be used more than once.
Premises:
________ Interconnects electrodes at a building or structure
Responses:
Grounding electrode conductor
Grounding electrode systems
Ground fault
Correct Answer:
Premises:
Responses:
(Matching)
4.9/5
(37)
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