ABYC Electrical Exam Latest Updated
1 - ANSWER-The immersed ground plate or strip in a lightning protection system should
be ________sqft
1 megohm or more - ANSWER-An acceptable reading when using a megommeter to
test winding insulation is
10 feet - ANSWER-A standard based issue states that in shore power systems
overcorrect protection be located no more than ______ from the point of inlet into the
boat
10,000 - ANSWER-Alternators have a "redline" of approximately ______rpm
100 - ANSWER-Backfeed protection shall operate within ______miliseconds of the
disconnection of the input AC power source
135 - ANSWER-The galvanic isolator shall be provided with wiring terminals or wire
leads for connection, having an ampacity that is __________ percent of its nominal
rating.
16 - ANSWER-Minimum size of conductors shall be at least _____AWG
18 - ANSWER-________AWG conductors may be used if included with other
conductors in a sheath and do not extend more than 30 inches outside the sheath
18 - ANSWER-minimal support for wire bundles should occur at least every _____
inches
2 to 3% - ANSWER-what is the maximum executable limit of harmonic distortion
25,000 ohms - ANSWER-The total impedance of polarity indicating and production
devices connected between normal current carrying conductors and the grounding
conductor shall not be less than __________
300 - ANSWER-Flexible cords for AC systems shall have a minimum rating of
_______V
36 - ANSWER-A notable exception to the 18-inch rule is that for battery cabling, at the
battery end, Standard E-11 allows for up to ____inches of unsupported cable.
36 months - ANSWER-how long to CO monitors last
4 - ANSWER-Primary lightning conductor should be ______AWG
, 5 15 - ANSWER-efficiency loss through inverters is typically between _____% and
_______%
6 - ANSWER-Durring an installation of an galvanic isolator conductors shall be
supported and/or clamped to relive strain within ______inches of isolator case
6 - ANSWER-Secondary lightning conductior should be ______AWG
600 - ANSWER-Conductors for AC systems shall have a minimum rating of ______volts
600 - ANSWER-Conductors for AC systems shall have a minimum rating of ______volts
600volts - ANSWER-Where AC and DC conductors are run together or installed in the
same terminal box or enclosure the DC conductors shall have a minimum insulation
voltage of...
7 40 - ANSWER-Based on Standard A-27 and E-11 non-self limiting generators will
need overcorrect protection at either _______ inches or _______ inches from there
output terminals.
800 100 - ANSWER-A battery switch shall be installed in the positive conductors from
each battery or battery bank with a CCA rating greater than _____amperes or _____Ah
if CCA is unavailable
automatically deals with dock-side polarity issues - ANSWER-What does a polarization
transformer automatically do?
auxiliary set of windings called exciter windings - ANSWER-Brushless generators use
what
balanced - ANSWER-multiple legs on 240 volt systems must be....
blocking diods - ANSWER-wind generators and solar pannels need
_________________ installed in there output conductors
check for cycling loads, If erratic with all loads off, check governor function - ANSWER-if
there is erratic frequency at AC generator you should.....
check frequency for normal range, if possible, adjust voltage regulator and verify correct
engine rpm and governor setting - ANSWER-if there is high voltage at AC generator you
should....
check slip rings they could be worn or burned - ANSWER-if there is erratic voltage at
AC generator you should....
1 - ANSWER-The immersed ground plate or strip in a lightning protection system should
be ________sqft
1 megohm or more - ANSWER-An acceptable reading when using a megommeter to
test winding insulation is
10 feet - ANSWER-A standard based issue states that in shore power systems
overcorrect protection be located no more than ______ from the point of inlet into the
boat
10,000 - ANSWER-Alternators have a "redline" of approximately ______rpm
100 - ANSWER-Backfeed protection shall operate within ______miliseconds of the
disconnection of the input AC power source
135 - ANSWER-The galvanic isolator shall be provided with wiring terminals or wire
leads for connection, having an ampacity that is __________ percent of its nominal
rating.
16 - ANSWER-Minimum size of conductors shall be at least _____AWG
18 - ANSWER-________AWG conductors may be used if included with other
conductors in a sheath and do not extend more than 30 inches outside the sheath
18 - ANSWER-minimal support for wire bundles should occur at least every _____
inches
2 to 3% - ANSWER-what is the maximum executable limit of harmonic distortion
25,000 ohms - ANSWER-The total impedance of polarity indicating and production
devices connected between normal current carrying conductors and the grounding
conductor shall not be less than __________
300 - ANSWER-Flexible cords for AC systems shall have a minimum rating of
_______V
36 - ANSWER-A notable exception to the 18-inch rule is that for battery cabling, at the
battery end, Standard E-11 allows for up to ____inches of unsupported cable.
36 months - ANSWER-how long to CO monitors last
4 - ANSWER-Primary lightning conductor should be ______AWG
, 5 15 - ANSWER-efficiency loss through inverters is typically between _____% and
_______%
6 - ANSWER-Durring an installation of an galvanic isolator conductors shall be
supported and/or clamped to relive strain within ______inches of isolator case
6 - ANSWER-Secondary lightning conductior should be ______AWG
600 - ANSWER-Conductors for AC systems shall have a minimum rating of ______volts
600 - ANSWER-Conductors for AC systems shall have a minimum rating of ______volts
600volts - ANSWER-Where AC and DC conductors are run together or installed in the
same terminal box or enclosure the DC conductors shall have a minimum insulation
voltage of...
7 40 - ANSWER-Based on Standard A-27 and E-11 non-self limiting generators will
need overcorrect protection at either _______ inches or _______ inches from there
output terminals.
800 100 - ANSWER-A battery switch shall be installed in the positive conductors from
each battery or battery bank with a CCA rating greater than _____amperes or _____Ah
if CCA is unavailable
automatically deals with dock-side polarity issues - ANSWER-What does a polarization
transformer automatically do?
auxiliary set of windings called exciter windings - ANSWER-Brushless generators use
what
balanced - ANSWER-multiple legs on 240 volt systems must be....
blocking diods - ANSWER-wind generators and solar pannels need
_________________ installed in there output conductors
check for cycling loads, If erratic with all loads off, check governor function - ANSWER-if
there is erratic frequency at AC generator you should.....
check frequency for normal range, if possible, adjust voltage regulator and verify correct
engine rpm and governor setting - ANSWER-if there is high voltage at AC generator you
should....
check slip rings they could be worn or burned - ANSWER-if there is erratic voltage at
AC generator you should....
