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Journeyman Electrician Practice Exam 7 With complete solution Latest 2024/25
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Journeyman Electrician Practice Exam 7 With complete solution Latest 2024/25
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Journeyman Electrician Practice Exam 7With complete solution Latest 2024/25
Where the outer sheath of Type MI cable is made of steel _____________.
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A. it shall provide an adequate path to serve as an equipment grounding conductor
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B. a separate equipment grounding conductor shall be provided
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C. the grounding and grounded conductors shall be connected together
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D. it shall not be longer than 6 feet - B. a separate equipment grounding conductor shall
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be provided
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The interior of enclosures or raceways installed underground shall be considered to be a
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_________ location.
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A. wet
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B. damp
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C. moist
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D. dry - A. wet
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The continuity of the equipment grounding conductor system used to reduce electrical
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shock hazards for portable electrical carnival equipment shall be verified
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______________.
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A. and recorded on an annual basis
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B. and recorded on a quarterly basis
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C. and recorded on a monthly basis
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D. each time the equipment is connected - D. each time the equipment is connected
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A plate-type grounding electrode shall be installed below the surface of the earth NOT
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less than ________.
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A. 24 inches
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B. 30 inches
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, C. 36 inches
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D. 48 inches - B. 30 inches
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Determines the MAXIMUM allowable ampacity of a size 1/0 AWG THW copper current-
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carrying conductors of the same size. Ambient temperature is 86*F.
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A. 150 amperes
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B. 105 amperes
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C. 112 amperes
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D. 120 amperes - D. 120 amperes
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In class II, Division 1, hazardous locations, where pendant mounted luminaries are
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suspended by rigid metal conduit (RMC) and a means for flexibility is not provided, the
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RMC term shall have a length of NOT more than __________.
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A. 12 inches
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B. 18 inches
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C. 24 inches
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D. 30 inches - A. 12 inches
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Determine the MINIMUM size THW copper branch-circuit conductors required by the
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NEC* to supply a 3-phase, continuous-duty, AC motor that has a full-load current of 70
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amperes. Assume all terminations to be rated for 75*C.
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A. 1 AWG II II
B. 2 AWG II II
C. 3 AWG II II
D. 4 AWG - C. 3 AWG
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Given: You have determined a conductor has a computed allowable ampacity of 75
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amperes. What is the MAXIMUM standard ampere rating of the overcorrect protection
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device the NEC* permits to protect this circuit? Assume this is not a motor circuit or part of
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a branch-circuit supplying more than one receptacle.
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A. 70 amperes
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