ABYC ELECTRICAL FINAL PAPER UPDATED COMPLETE QUESTIONS AND CORRECT ANSWERS BUNDLED REVIEW GUIDE

ABYC ELECTRICAL FINAL PAPER
UPDATED COMPLETE QUESTIONS AND
CORRECT ANSWERS BUNDLED REVIEW
GUIDE

●● What is the required over current protection distance for AC
generator conductors?
Answer: A and B (7" or 40" if properly sheathed)


●● What is the most likely problem if the oil pressure gauge needle
moves to the right when the sensor wire is grounded?
Answer: A bad sensing unit


●● Where should you connect the volt meter leads to test voltage drop to
the cranking motor?
Answer: Both B and C (to the negative and positive battery posts while
cranking)


●● What is the minimum conductor size for a lightning protection
system according to ABYC?
Answer: 4 AWG

, ●● What is a probable cause for malfunctioning electronic components
during engine cranking?
Answer: Faulty battery switch


●● Which technician is correct about DC negative bus bars mounted to a
metal panelboard?
Answer: Tech A


●● What is the minimum spacing for attaching current carrying
conductors to a fuel line?
Answer: None of the above


●● What is the minimum conductor size needed in a 25 amp AC circuit
with four bundled conductors?
Answer: 10 AWG


●● How much current should flow through the DC grounding conductor
in a 25 amp DC motor circuit?
Answer: 0 amps


●● What should a technician do when abandoning old wiring?
Answer: Fold back, insulate and label the ends of the old wire