Ungrounded conductors - Study guides, Class notes & Summaries
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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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Michigan Journeyman test Questions With Complete Solutions
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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 correct answer: 4 
 
Thermal insulation shall not be installed within _________inches of recessed lighting fixtures correct answer: 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 one grounding conductor and on...
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Module 11 - Residential Electrical Services Questions and Answers 2023 with complete solution
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Module 11 - Residential Electrical Services Questions and Answers 2023 with complete solution 
 
A small residence has a floor area of 900 square feet. What is its general lighting load? 
2,700VA 
Per NEC Table 220.54, a household with two dryers has a demand factor of __________. 
100% 
If a dwelling has two kitchen areas, then the total small appliance branch circuits required would be __________. 
four at 1,500VA each 
A lighting load of 2,700VA at 120V has an amperage of __________. 
22.5A 
...
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GROUNDING II EXAM QUESTIONS AND ANSWERS
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A ? is defined as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). - Answer-branch circuit 
 
A ? includes all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source, and the final branch-circuit overcurrent device. - Answer-feeder 
 
A grounding electrode system is generally required for each building or structure served by a feeder. - Answer-True 
 
According to the NEC, that...
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MASTER ELECTRICIAN TEST 211 With Verified Solutions Graded A+
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Given: Two separate Services are identical in voltage and amperage, except that one service 
serves only motor - loads and the other serves lighting loads only. 
in the event of a short circuit in these services, the available short circuit current will be: 
A) The same in either service 
B) Higher in the motor-load service 
C) Higher in the lighting -load service 
D) 25% greater in the service for the motor load - The same in either service 
(general knowledge) 
A device that requires a portabl...
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IEC 2A Questions and Answers with Verified Solutions
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IEC 2A Questions and Answers with 
 
Verified Solutions 
 
___ AWG ungrounded conductors are installed from BCES Transformer XE to Panel LE. 
Select one: 
a. 4 
 
b. 3/0 
c. 4/0 
d. 8 
 
e. 2 2 
 
___ is a type of lamp used in an HID luminaire.I. Mercury-vapor II. Metal halide III. Nickel 
cadmium 
Select one: 
a. I & III only 
b. I only 
c. II only 
d. I & II only 
e. I, II, & III 
 
f. II & III only I & II only 
 
___ is defined as case or housing of apparatus, or the fence or walls surroundin...
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MASTER ELECTRICIAN PRACTICE EXAMS 2024/2025 WITH COMPLETE SOLUTIONS
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The following questions are based on the 2020 edition of the National Electrical Code® and are typical 
of questions that may be encountered on most Master Electricians’ licensing exams. Select the best 
answer from the choices given and review your answers with the answer key. 
1. What MINIMUM size ungrounded (phase) THWN copper service-entrance conductors are 
required for a 208Y/120-volt, 72,000 VA 3-phase commercial service? 
a. 250 kcmil 
b. 2/0 AWG 
c. 3/0 AWG 
d. 4/0 AWG 
2. E...
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Internachi Florida State Exam Prep | 500+ Questions with 100% Correct Answers | Verified | Latest Update 2024
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The typical electrical service for homes in North America is a_____? - 120240 Volt 
The 240 Volt circuit is used for? - Appliances 
The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to the electric panel - 
Zero 
Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current - 15, 20 
Most ___ Buildings are supplied with 120240 Volt services. This means that the cable assembly is made 
up of ___ ungrounded conductors each supplying 120 V with one ground...
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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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IEC Chapter final Exam 135 Questions with Verified Answers
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IEC Chapter final Exam 135 Questions 
 
with Verified Answers 
 
_____ lighting track is never permitted to be cut in the field. portable 
 
______ allows a circuit or electrical system to be sized at less than its maximum connected load. 
diversity 
 
.0001 A= how many milliamps 100 
 
0 C = how many degrees Fahrenheit 32 
 
1.2 MV= how many volts 1,200,000 
 
1" conduit costs $800 per 1000 foot bundle. The cost of one 10 foot stick is ____. 8 
 
3 hours 20 minutes + 1 hour 48 minutes= 5 hours...
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