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National Electrical Code metric units of measurement are provided in accordance with which system standard? Select one - ANSWER The horsepower rating of a controller should be which of the following? - ANSWER Which factor would increase the inductance in an AC circuit if all other factors were held constant? - ANSWER A 2-Ohm resistor and a 5-Ohm resistor are wired in series. If the 2-Ohm resistor is losing 18 watts of power, how much electrical current is flowing through the 5-Ohm resi...

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Journeyman Electrician • Journeyman Electrician

Michigan practice test Questions & Answers(RATED A+)

There are 6 conductors in a raceway connected to 70 deg rated circuit breaker. Each wire has a 70amp load using THHN conductors. The Minimum size conductors used are #________AWG. - ANSWER4, 310.15(B)(16) Thermal insulation shall not be installed within __________ inches of recessed lighting fixtures. - ANSWER3", 410.116(B) A 1" conduit contains three 3-wire circuits or a phase system. All conductors are #10TW. Each circuit consists of two-phase conductors and one grounded conductor ...

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Michigan p • Michigan p

Journeyman electrician exam prep ACCURATE 100%

What table sizes bonding jumpers for for AC systems? - ANSWER250.102(C)(1) The NEC defines continuous load to be a load where max current on the circuit continues for at least how many hours? - ANSWERThree To use the adjustment factors in table 310.15(B)(3)(A), you must have greater than how many current carrying conductors in a raceway? - ANSWERGreater than three

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Journeyman electrician • Journeyman electrician

Residential Electrician Exam #1 CORRECT 100%

Ferrous metal enclosures for grounding electrode conductors shall be _____. a) electrically continuous b) electrically isolated c) not permitted d) rigid metal conduit (RMC) only - ANSWERA: electrically continuous Ref: 250.64(E) Unless listed for the control of other loads, general use dimmer switches shall only be used to control _____. a) switched receptacles for cord-connected incandescent luminaires b) permanently installed incandescent luminaires c) ceiling fans with luminaires ...

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Residential Electrician • Residential Electrician

Review Master Electrician (Part 2)CORRECT 100%

The ordinary direct current series motor does not operate satisfactorily with alternating current. One of the main reasons for this is a. excessive heating due to eddy currents in the solid parts of the field structure b. that the armature current and field current are out of phase with each other c. that the field flux lags 120 in time phase with respect to the line voltage d. excessive heating due to the low voltage drop in the series field - ANSWERa. excessive heating due to eddy curre...

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Master Electrician • Master Electrician

ELECTRICIANS PRACTICE EXAM QUESTIONS & ANSWERS 100% CORRECT!!

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18. The entire area of an aircraft hangar, including any adjacent and communicating area not suitably cut off from the hanger, shall be classified as a Class I, Division 2 or Zone 2 location up to a level ______ above the floor. A. 12 inches B. 18 inches C. 24 inches D. 30 inches - ANSWERB 18 inches 513.3(B) pg 396 1. Disregarding exceptions, dry-type transformers located indoors having a rating of greater than _____ shall be installed in a transformer room of fire-resistant construction...

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ELECTRICIANS P • ELECTRICIANS P

MASTER SIGN ELECTRICIAN TEST 1 2020 Questions & Answers 100% Correct!!

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IN THE ATTIC AND SOFFIT LOCATIONS OF ELECTRIC SIGNS, THE BALLAST, TRANSFORMERS, ELECTRONIC POWER SUPPLIES, AND CLASS 2 POWER SOURCES SHALL BE PERMITTED TO BE LOCATED IN ATTICS, PROVIDED THERE IS AN ACCESS DOOR AT LEAST _________ AND A PASSAGEWAY OF AT LEAST 3 FEET HIGH X 2 FEET WIDE WITH A SUITABLE PERMANENT WALKWAY AT LEAS 12 INCHES WIDE EXTENDING FROM POINT OF ENTRY TO EACH COMPONENT - ANSWER36 INCHES X 22 1/2 INCHES WHERE A 12 FT NONMETALLIC POLE IS USED TO SUPPORT A SIGN WHICH IS USED AS ...

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MASTER SIGN ELECTRICIAN • MASTER SIGN ELECTRICIAN

Kentucky Masters exam Electric Questions & Answers 100% Solved!!

A 120 volt road sign has #6 copper THWN conductors in a 2" PVC conduit. The sign pulls 8 amps and is on a 30 amp breaker. what is the longest distance that the sign can be located from the sub-panel and still be legal? Use k = 12.9 a. 100-200 feet b. 201-300 feet c. 301-400 feet d 401-500 feet - ANSWERd. 401-500 A 175 KVA, single phase transformer having a primary voltage of 240 and a secondary voltage of 120 has been installed at a multi-family dwelling. The current available at the...

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Kentucky Masters • Kentucky Masters

Master Electrician's Exam Prep Guide Exams #10-12 Questions 100% Answered!!

At carnivals and fairs, service equipment shall not be installed in a location that is accessible to unqualified persons, UNLESS the equipment ____. A. has a voltage to ground of not more than 125 volts B. is provided with GFCI protection C. is lockable D. is installed at a height of more than 6 feet - ANSWERC. is lockable pg. 463 Where the NEC specifies that one equipment shall be "within sight from" or "within sight of" another equipment, the specified equipment is to be ...

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Master Electrician\\\\\\\'s • Master Electrician\\\\\\\'s

NEC Master practice test Questions & Answers (RATED A+)

1 in figure - ANSWERpower connection 7 in figure - ANSWERend seal A 30 degree kick has a hypotenuse of 10". Given that the cosecant of 30 degrees is 2, determine the side opposite or how far off the surface the end of the kick needs to be. - ANSWER5" A 30-microfarad capacitor is in parallel with a 15-microfarad capacitor. The total capacitance is ___ - ANSWER45 A 5-ohm and a 20-ohm resistor are connected in parallel. What is the total resistance of these two resistors? - ANSWER...

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