ABYC Marine Electrical Certification Exam

Every 18 inches. - ANSWER How often (in inches) shall wire bundles be supported? Insulated Metallic Hanger Clamps - ANSWER What type of clamps are to be used for supporting wire bundles when routed over engines and machinery? 40 lbs (E-11 Table XV) - ANSWER What tensile force must a 10 Gauge crimp connector withstand for one minute? 36 inches - ANSWER What is the max allowed unsupported cable length for battery cables? True - ANSWER T or F: Running AC and DC conductors together is allowed so long as the AC conductors are sheathed. C. Unwanted open - ANSWER The most common electrical circuit problem in marine applications is: A. Short circuits B. Too much continuity C. Unwanted open D. Inter circuit Short D. Heat - ANSWER The primary by-product of excessive electrical resistance is: A. Increased Amperage B. Increased Voltage C. Reduced Ambient Temperature D. Heat 1 HP = 746 Watts - ANSWER One HP = how many watts? D. TDR (time-domain reflectometer) - ANSWER 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) 0 AWG - ANSWER 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)? Yellow - ANSWER DC grounded conductors on new boats that are also equipped with AC systems should use what color insulated wire?