Circuit breaker - Study guides, Class notes & Summaries
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ASE A6 Test Prep – Electrical/Electronic Systems - Questions, Answers and Explanations
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ASE A6 Test Prep – Electrical/Electronic Systems - Questions, Answers and Explanations Adding an additional path through which the current can flow has decreased the total resistance of the circuit. Each light drops 12 volts. An ohmmeter is being used to check a circuit for continuity. Technician A says an infinity or full scale reading on an ohmmeter indicates no continuity. Technician B says a zero reading on an ohmmeter indicates continuity. Who is right? A. Technician A only B. Technician...
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Electrician NCCER |354 questions| with correct answers
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Which article of the NEC covers grounding? CORRECT ANSWER Article 250 
 
What is a dropout plate? CORRECT ANSWER 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: CORRECT ANSWER 372/575 3-Phase, 4-wire 
 
What does a GFCI breaker do? CORRECT ANSWER Opens a circuit to prevent operation of an electrical device 
 
What will happen when one or more coils in a winding are grounded? CORRECT A...
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NETA 2 Top Exam Questions and answers, rated A+
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NETA 2 Top Exam Questions and answers, rated A+ 
 
 
Under what considerations can tag out without lock out be permitted? - -***&If an energy isolating device is not capable of being locked 
 
For PV systems, a(n) _____ is a device that changes direct-current input to an alternating-current output. - -Inverter 
 
Identify the contact pictured above. (NC and NO separated by a node) - -Form C 
 
When applying personal protective grounds, which end is attached first? - -***&The equipment end 
 
An ...
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NETA 3 Exam 2023 with 100%Correct Answers.
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NETA 3 Exam 2023 with 100%Correct Answers. 
Power-factor or dissipation-factor tip-up tests on large dry-type transformers that exceed ______ 
percent should be investigated correct answer1 
A switch or circuit breaker enclosure may be used as a raceway if the conductor fill does not exceed % 
correct answer40 
The Ferranti effect is experienced on a long overhead transmission line when it is correct answerLightly 
loaded 
In fiber optic cables, a 50% reduction in signal strength is a loss of dB...
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Michigan Journeyman test | 2023/24 questions and answers
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Michigan Journeyman test | 2023/24 questions and answers 
 
There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 
Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 
A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and on...
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Iec year 1 final exam LATEST 2023/2024 GRADED A NEW VERSION
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Iec year 1 final exam LATEST 2023/2024 GRADED A NEW 
VERSION 
The Code reference that specifies the type of disconnecting means (circuit breaker for 
example) that can be used on a multiwire branch circuit that feeds devices mounted on the 
same yoke [a stack switch or a duplex receptacle for example] is ___. 
Note: Select N/A (not applicable) if there is not an NEC® requirement. 
Select one: 
a. 
Article 100 
b. 
240.15(B)(1
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Second Year IEC Final Exam Questions and Answers 100% Pass
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Second Year IEC Final Exam Questions 
 
and Answers 100% Pass 
 
______ in utility transmission lines reduces the power losses in the transmission conductors. 
increasing the voltage 
 
______ shall not support luminairs weighing over 6 lb. lampholder 
 
_______ surrounds the windings in typical "pole-mounted" transformers. oil 
 
40C = ____ F 104 
 
A .25KVA transformer has a nameplate rating of 240/480 primary volts 120/240 secondary 
volts. IF rated voltage is applied to the primary the sec...
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EVITP Modules 5 - 7 Questions and Verified Answers (Latest 2024 / 2025 Update) Grade A | 100% Correct
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EVITP Modules 5 - 7 Questions and Verified Answers (Latest 2024 / 2025 Update) Grade A | 100% Correct 
 
 
 
Question: 
The most commonly reported repair to electric vehicle supply equipment (EVSE) manufacturers is damage to the ___ ? 
a)	contractor 
b)	cord set 
c)	EVSE 
d)	panelboard 
Answer: 
cord set 
 
 
Question: 
Issues with data servers, EVSE locator networks, and billing networks are typically the result of an ___ problem 
a)	communication 
b)	contractor 
c)	ground fault 
d)	overcur...
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Year 3 IEC FINAL Review Questions and Correct Answers Latest Update, Graded A+
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___ is a type of overload relay used in a motor start. 
a. Melting allow 
b. Bimetallic 
c. Magnetic 
d. All of these 
o :## All of these 
A melting allow overload in a magnetic motor starter ____. 
Select one: 
a. actuates when excessive motor circuit current is present and opens only the 
affected motor circuit power contacts on the starter 
b. must be replaced after it operates 
c. can be reset immediately after it operates 
d. actuates when excessive motor circuit current is present and op...
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Enphase Storage Design Certification Training Questions and Answers Already Passed
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Enphase Storage Design Certification 
Training Questions and Answers Already 
 
Passed 
 
Which component of the Ensemble system detects a grid failure? 
 
A. Envoy 
 
B. Enpower 
 
C. Encharge B. Enpower 
 
True or false: PV systems with Energy storage but without backup power do not require 
Enpower. True 
 
Where do the hot conductors between Encharge and Enpower terminate? 
 
A. In the IQ Combiner box 
 
B. At the DER (distributed energy resource) input terminals 
 
C. On the Encharge circui...
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