IYRS Electrical ABYC Exam
IYRS Electrical ABYC Exam
Study online at https://quizlet.com/_dwy1jm
1. The minimum amp circuit breaker that should be used 15
to protect a 120V water heater circuit with a 1600-watt
element would be rated at ________ amps
2. When testing for excessive EMF emission near a con- Gauss Meter
ductor or appliance, the tool of choice is a
3. The primary problem with using a series circuit to voltage drop across each
supply multiple loads is that load will be excessive
4. the most common electrical circuit problem in marine unwanted open
applications is
5. the primary by-product of excessive electrical resis- heat
tance is
6. the tool of choice today for tracing shorted and open TDR
circuits is the:
7. What material is recommended for clamping conduc- Metal
tors over engines and moving machinery according to
the ABYC
8. according to ABYC acceptable minimum clearance for 9 inches (225 mm)
routing wire near a dry exhaust section is
9. The maximum number of terminals allowed to be 4
attached to any one terminal stud based on ABYC is
10. How much current should flow through the 0 amps
DC grounding conductor in a 25-amp DC motor circuit
11. conductors of #10 AWG and larger shall be permitted Where the ampacity of each
to be connected in parallel ______ individual conductor is suf-
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, IYRS Electrical ABYC Exam
IYRS Electrical ABYC Exam
Study online at https://quizlet.com/_dwy1jm
ficient to carry the entire
load current shared by the
parallel conductors
12. A technician is installing the cable run from the batter- 0 AWG
ies to the main DC panelboard on a boat aspart of a
refit. The boat has a 12-volt system, and the distance
from the panel to the batteries is 15 ft (approximately
3 m).The maximum current draw from the panel is cal-
culated at 90 amps.What gauge cable should be used
at a minimum to maintain Standards compliance?
13. 8. DC grounded conductors on new boats that are yellow
also equipped with AC systems should use _________
insulation.
14. the maximum spacing for cable run support based on 16 inches (400 mm)
ABYC is
15. the smallest gauge cable allowed for unsheathed wire 16 AWG
runs through the boat is
16. The maximum sustained charging voltage acceptable 14.1
to some gel cell battery manufacturers is
17. Sheathed, ungrounded conductors connected direct- 40 Inches
ly to a battery must have overcurrent protection de-
vices located within _______ of connection to the bat-
tery
18. on a battery where a hydrometer can be used, a cell A bad cell and battery re-
reading of 0.050 points of a specific gravity below all placement needed
of the other cells in the battery may indicate
www.stuvia.com
2/8
IYRS Electrical ABYC Exam
Study online at https://quizlet.com/_dwy1jm
1. The minimum amp circuit breaker that should be used 15
to protect a 120V water heater circuit with a 1600-watt
element would be rated at ________ amps
2. When testing for excessive EMF emission near a con- Gauss Meter
ductor or appliance, the tool of choice is a
3. The primary problem with using a series circuit to voltage drop across each
supply multiple loads is that load will be excessive
4. the most common electrical circuit problem in marine unwanted open
applications is
5. the primary by-product of excessive electrical resis- heat
tance is
6. the tool of choice today for tracing shorted and open TDR
circuits is the:
7. What material is recommended for clamping conduc- Metal
tors over engines and moving machinery according to
the ABYC
8. according to ABYC acceptable minimum clearance for 9 inches (225 mm)
routing wire near a dry exhaust section is
9. The maximum number of terminals allowed to be 4
attached to any one terminal stud based on ABYC is
10. How much current should flow through the 0 amps
DC grounding conductor in a 25-amp DC motor circuit
11. conductors of #10 AWG and larger shall be permitted Where the ampacity of each
to be connected in parallel ______ individual conductor is suf-
www.stuvia.com
1/8
, IYRS Electrical ABYC Exam
IYRS Electrical ABYC Exam
Study online at https://quizlet.com/_dwy1jm
ficient to carry the entire
load current shared by the
parallel conductors
12. A technician is installing the cable run from the batter- 0 AWG
ies to the main DC panelboard on a boat aspart of a
refit. The boat has a 12-volt system, and the distance
from the panel to the batteries is 15 ft (approximately
3 m).The maximum current draw from the panel is cal-
culated at 90 amps.What gauge cable should be used
at a minimum to maintain Standards compliance?
13. 8. DC grounded conductors on new boats that are yellow
also equipped with AC systems should use _________
insulation.
14. the maximum spacing for cable run support based on 16 inches (400 mm)
ABYC is
15. the smallest gauge cable allowed for unsheathed wire 16 AWG
runs through the boat is
16. The maximum sustained charging voltage acceptable 14.1
to some gel cell battery manufacturers is
17. Sheathed, ungrounded conductors connected direct- 40 Inches
ly to a battery must have overcurrent protection de-
vices located within _______ of connection to the bat-
tery
18. on a battery where a hydrometer can be used, a cell A bad cell and battery re-
reading of 0.050 points of a specific gravity below all placement needed
of the other cells in the battery may indicate
www.stuvia.com
2/8
