Busbar Study guides, Class notes & Summaries
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Residential Wireman Electrical Exam - Larry Bobo Correct 100%
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The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper 
 
Ampacities, Grounding 
250.122(B) Table 250.122 Table 8 Ch 9 - ANSWERS4 
 
The continuity of the grounded conductor shall depend on a busbar or __ only. 
 
Continuity, Grounded conductors 
200.12 - ANSWERSwire. 
 
Each multi-wire branch circuit shall be provided with...
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The electrical NCCER test - Electrical Study Guide questions and answers
- Exam (elaborations) • 24 pages • 2024
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Which Article of the NEC covers grounding? - ANSWER-article 250 
Which of the following is a 90 degree, explosion proof fitting? - ANSWER-GUAL 
What is a dropout plate? - ANSWER-Metal plate with a curved surface for cable 
to follow as it passes from the tray 
All of the following are common service voltages in the United States EXCEPT: - 
ANSWER-372/575 3-PHASE, 4-WIRE 
What does a GFCI breaker do? - ANSWER-Opens a circuit to prevent operation 
of an electrical device 
What will happen when one...
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RCDD CH8 BONDING & GROUNDING (EARTHING) WITH VERIFIED SOLUTIONS
- Exam (elaborations) • 4 pages • 2023
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B 
The GEC for the main electrical service entrance for a building is 4 AWG [5.2 mm (0.20 in). What should be the size of the bonding conductor that is 50 m (164 ft) in length? 
 
A - 1 AWG [7.3 mm (0.29 in) 
B - 3 AWG [5.8 mm (0.23 in) 
C - 4 AWG [5.2 mm (0.20 in) 
D - 6 AWG [4.1 mm (0.16 in) 
 
Page 8-25 
 
 
 
A 
What are the two main components of ac grounding (earthing) electrode system? 
 
A - Grounding electrode conductor (GEC) and grounding (earthing) electrode 
B - Equipment grounding (...
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The electrical NCCER test Questions All Solved Correctly
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The electrical NCCER test Questions All Solved Correctly 
 
Which Article of the NEC covers grounding? - Answer -article 250 
 
Which of the following is a 90 degree, explosion proof fitting? - Answer -GUAL 
 
What is a dropout plate? - Answer -Metal plate with a curved surface for cable to follow as it passes from the tray 
 
All of the following are common service voltages in the United States EXCEPT: - Answer -372/575 3-PHASE, 4-WIRE 
 
What does a GFCI breaker do? - Answer -Opens a circuit t...
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Residential Wireman Electrical Exam - Larry Bobo Questions & Answers Correct 100%
- Exam (elaborations) • 10 pages • 2023
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Available in package deal
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- $10.49
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The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper 
 
Ampacities, Grounding 
250.122(B) Table 250.122 Table 8 Ch 9 - ANSWERS4 
 
The continuity of the grounded conductor shall depend on a busbar or __ only. 
 
Continuity, Grounded conductors 
200.12 - ANSWERSwire. 
 
Each multi-wire branch circuit shall be provided with...
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Electrician NCCER Questions and Answers (Already Passed) Latest Updated 2024/2025 | Graded A+.
- Exam (elaborations) • 54 pages • 2024
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Electrician NCCER Questions and Answers (Already Passed) Latest Updated 2024/2025 | Graded A+. What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes 
from the tray 
All of the following are common service voltages in the United States Except: 372/575 3- 
Phase, 4-wire 
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a winding are grounded? The motor will 
automatically blow ...
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Electrician NCCER Questions and Answers (Already Passed) Latest Updated 2024/2025 | Graded.
- Exam (elaborations) • 54 pages • 2024
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Electrician NCCER Questions and Answers (Already Passed) Latest Updated 2024/2025 | Graded. Which article of the NEC covers grounding? Article 250 
What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes 
from the tray 
All of the following are common service voltages in the United States Except: 372/575 3- 
Phase, 4-wire 
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a win...
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Electrician NCCER Latest Update 2023/2024 Questions and Answers Graded A+ 				Electrician NCCER Latest Update 2023/2024 Questions and Answers Graded A+ 				
- Exam (elaborations) • 47 pages • 2023
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Which article of the NEC covers grounding? 	Article 250	 
 
What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes from the tray 
 
All of the following are common service voltages in the United States Except: 372/575 3Phase, 4-wire 
 
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device 
 
What will happen when one or more coils in a winding are grounded? The motor will automatically blow fuses 
 
eight incandesc...
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The electrical NCCER test Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
- Exam (elaborations) • 47 pages • 2024
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Which Article of the NEC covers grounding? 
: article 250 
Which of the following is a 90 degree, explosion proof fitting? 
: GUAL 
What is a dropout plate? 
: Metal plate with a curved surface for cable to follow as it passes from the tray 
All of the following are common service voltages in the United States EXCEPT: 
: 372/575 3-PHASE, 4-WIRE 
What does a GFCI breaker do? 
: Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a winding are g...
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National Home Inspector Exam 2024
- Exam (elaborations) • 27 pages • 2024
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National Home Inspector Exam 2024 
Ampacity - Answer ️️ -The maximum current, in amperes, that a conductor can carry 
continuously under the conditions of use without exceeding its temperature rating. 
American Wire Gauge (AWG) - Answer ️️ -an standard method of denoting the diameter of 
electrically conducting wire 
Bonding - Answer ️️ -The process of connecting, both physically and electrically, metal 
components of the electrical system that are not intended to carry electrical cu...
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