ABYC MARINE ELECTRICAL
CERTIFICATION EXAM
REVIEW COMPREHENSIVE
QUESTIONS (FREQUENTLY
TESTED)WITH VERIFIED
ANSWERS GRADED A+
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, Contact for further consultation
1. How often (in inches) shall wire bundles be supported? Answer: Every
18 inches.
2. What type of clamps are to be used for supporting wire bundles
when routed over engines and machinery? Answer: Insulated Metallic Hanger
Clamps
3. What tensile force must a 10 Gauge crimp connector
withstand for one minute? Answer: 40 lbs (E-11 Table XV)
4. What is the max allowed unsupported cable length for battery cables?
Answer: 36 inches
5. T or F Answer: Running AC and DC conductors together is allowed so
long as the AC conductors are sheathed. Answer: True
6. The most common electrical circuit problem in marine applications
is Answer:
A. Short circuits
B. Too much continuity
C. Unwanted open
D. Inter circuit Short Answer: C. Unwanted open
, Contact for further consultation
7. The primary by-product of excessive electrical resistance is Answer:
A. Increased Amperage
B. Increased Voltage
C. Reduced Ambient Temperature
D. Heat Answer: D. Heat
8. One HP = how many watts? Answer: 1 HP = 746 Watts
9. What is the preferred tool for tracing shorted and open circuits?
A. Ohm meter
B. Amp clamp
C. Volt meter
D. TDR (time-domain reflectometer) Answer: D. TDR (time-domain reflectometer)
10. A technician is installing a cable run from the batteries to the
main DC panel board on a boat as part of a refit. The boat has a 12-volt
system and the distance form the panel to the batteries is 15 ft. The
maximum current draw from the panel is calculated at 90 amps. What
guage cable should be used (minimum)? Answer: 0 AWG
11. DC grounded conductors on new boats that are also
, Contact for further consultation
equipped with AC systems should use what color insulated wire?
Answer: Yellow
CERTIFICATION EXAM
REVIEW COMPREHENSIVE
QUESTIONS (FREQUENTLY
TESTED)WITH VERIFIED
ANSWERS GRADED A+
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, Contact for further consultation
1. How often (in inches) shall wire bundles be supported? Answer: Every
18 inches.
2. What type of clamps are to be used for supporting wire bundles
when routed over engines and machinery? Answer: Insulated Metallic Hanger
Clamps
3. What tensile force must a 10 Gauge crimp connector
withstand for one minute? Answer: 40 lbs (E-11 Table XV)
4. What is the max allowed unsupported cable length for battery cables?
Answer: 36 inches
5. T or F Answer: Running AC and DC conductors together is allowed so
long as the AC conductors are sheathed. Answer: True
6. The most common electrical circuit problem in marine applications
is Answer:
A. Short circuits
B. Too much continuity
C. Unwanted open
D. Inter circuit Short Answer: C. Unwanted open
, Contact for further consultation
7. The primary by-product of excessive electrical resistance is Answer:
A. Increased Amperage
B. Increased Voltage
C. Reduced Ambient Temperature
D. Heat Answer: D. Heat
8. One HP = how many watts? Answer: 1 HP = 746 Watts
9. What is the preferred tool for tracing shorted and open circuits?
A. Ohm meter
B. Amp clamp
C. Volt meter
D. TDR (time-domain reflectometer) Answer: D. TDR (time-domain reflectometer)
10. A technician is installing a cable run from the batteries to the
main DC panel board on a boat as part of a refit. The boat has a 12-volt
system and the distance form the panel to the batteries is 15 ft. The
maximum current draw from the panel is calculated at 90 amps. What
guage cable should be used (minimum)? Answer: 0 AWG
11. DC grounded conductors on new boats that are also
, Contact for further consultation
equipped with AC systems should use what color insulated wire?
Answer: Yellow
