Journeyman Electrician (2020Nec) Latest Update
2024-2025 Actual Exam Questions and 100%
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.Where a 125-volt, 15-ampere receptacle is connected to a 120-volt branch circuit
supplying two (2) or more receptacles or outlets, the maximum permitted cord-and-plug-
connected load to the receptacle is _____.
a. 12 amperes
b. 15 amperes
c. 10 amperes
d. 7.5 amperes - CORRECT ANSWER: 12 amperes
Article 210 provides the general rules regarding branch circuits. Branch circuit and
receptacle ratings are addressed in Part II of Article 210. To prevent overheating
receptacles, a receptacle shall not supply a total cord-and-plug-connected load in
excess of the maximum specified in Table 21(B)(2), where connected to a branch circuit
supplying multiple receptables or other outlets. This table shows a 15-ampere rated
receptacle may carry a maximum cord-and-plug-connected load of 12 amperes under
this condition.
According to the NEC, fixed outdoor deicing and snow melting equipment is to be
considered as a _____ load.
a. non-continuous
b. intermittent
c. continuous
d. simultaneous - CORRECT ANSWER: continuous
As defined in Article 100, a continuous load is a load expected to continue for three (3)
hours or more.The installation requirements for fixed outdoor electric deicing and snow
melting equipment are given in Article 426. As per Section 426.4, fixed outdoor electric
deicing and snow melting equipment shall be considered a continuous load.When sizing
conductors and overcurrent protection for the fixed outdoor equipment you must take
into consideration the equipment can operate over 3 hours, so it is considered a
continuous load.
, Conductors with _____ marked on the insulation are NOT approved for use in a wet
location.
a. THW
b. THHW
c. THHN
d. THWN - CORRECT ANSWER: THHN
As shown in Table 310.104(A), conductors with THHN insulation are approved for use in
dry and damp locations only and conductors with THWN, THHW, and THW insulation
are recognized for use in dry and wet locations.
For a building or structure where the meter enclosure is adjacent to the service
disconnecting means, it is permitted to ground the meter enclosure to the _____
conductor on the load side of the service disconnect if ground-fault protection is not
provided.a. grounded
b. grounding
c. bonding
d. phase - CORRECT ANSWER: grounded
Part VII of Article 250 covers the general requirements for methods of equipment
grounding.Exception No.2 to Section 250.142(B) permits the meter enclosure to be
grounded by connection on the load side of the service disconnect where (1) no ground-
fault protection is installed, (2) the meter enclosure is adjacent to the service
disconnecting means, and (3) the grounded service conductor is not smaller than the
size specified in Table 250.122.
For dwelling units, GFCI protection is required for all single-phase, 125-volt, 15- and 20-
ampere receptacles installed within six (6) feet of the top inside edge of the bowl of
sinks located in _____.
a. laundry rooms
b. bathrooms
c. garages
d. all of these areas - CORRECT ANSWER: all of these areas
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