NCCER ELECTRICAL LEVEL 3 MODULE 2
EXAM QUESTIONS AND ANSWERS
All things considered, the most ideal conductor is mode of _____. -
correct answer ✅Copper
Which of the following is a standard configuration for stranded
wire? -
correct answer ✅7-strand
Of the following, the largest standard AWG wire size is___. -
correct answer ✅No. 4/0 (four-aught)
A branch circuit is best described as___. -
correct answer ✅The circuit conductors between the finial
overcurrent device protecting the circuit and the outlet(s).
The rating of a branch circuit is determined by the ___. -
correct answer ✅rating of the branch circuit overcurrent device (?)
A continuous load is best described as one in which the maximum
current is expected to continue for ___. -
correct answer ✅Three hours or more
, NCCER ELECTRICAL LEVEL 3 MODULE 2
EXAM QUESTIONS AND ANSWERS
Which of the following is a standard fuse rating? -
correct answer ✅400A
You would find information on conductor applications and
descriptions of insulation types in ___. -
correct answer ✅NEC Table 310.4(A)
Use the NEC to find the maximum ampacity for a No.2 AWG copper
wire at 90 degrees Celsius (194 degree Fahrenheit) (assume THHN
insulation). -
correct answer ✅130A
The constant (K) for the resistance of ordinary copper is___. -
correct answer ✅12.9 Ohms per mil foot
The circuit between the finial overcurrent device and the outlet is
known as ___. -
correct answer ✅Branch circuit
The insulation thickness of a 2/0 (two-aught) THHN conductor is
___. -
correct answer ✅50 mils
EXAM QUESTIONS AND ANSWERS
All things considered, the most ideal conductor is mode of _____. -
correct answer ✅Copper
Which of the following is a standard configuration for stranded
wire? -
correct answer ✅7-strand
Of the following, the largest standard AWG wire size is___. -
correct answer ✅No. 4/0 (four-aught)
A branch circuit is best described as___. -
correct answer ✅The circuit conductors between the finial
overcurrent device protecting the circuit and the outlet(s).
The rating of a branch circuit is determined by the ___. -
correct answer ✅rating of the branch circuit overcurrent device (?)
A continuous load is best described as one in which the maximum
current is expected to continue for ___. -
correct answer ✅Three hours or more
, NCCER ELECTRICAL LEVEL 3 MODULE 2
EXAM QUESTIONS AND ANSWERS
Which of the following is a standard fuse rating? -
correct answer ✅400A
You would find information on conductor applications and
descriptions of insulation types in ___. -
correct answer ✅NEC Table 310.4(A)
Use the NEC to find the maximum ampacity for a No.2 AWG copper
wire at 90 degrees Celsius (194 degree Fahrenheit) (assume THHN
insulation). -
correct answer ✅130A
The constant (K) for the resistance of ordinary copper is___. -
correct answer ✅12.9 Ohms per mil foot
The circuit between the finial overcurrent device and the outlet is
known as ___. -
correct answer ✅Branch circuit
The insulation thickness of a 2/0 (two-aught) THHN conductor is
___. -
correct answer ✅50 mils
