What tool is used to test the insulation integrity of a generator windings and what is the generally accepted Mimimal measurement? Technician A says that a generator's neutral and ground must be connected together at the generator. T or F: magnetic transformers with integrated secondary-side overcurrent protection and automatically resetting thermal overload protection are ABYC compliant. What is the best way to prevent corrosion on a battery cable. Most engine-driven alternators are optimally spun at what percentage of engine RPMs? What is the max allowed unsupported cable length for battery cables? To check a voltage regulator is working properly, the best thing a technician can check: According to ABYC, maximum current carrying capacity of a 10 gauge wire, 105 degree C insulation, inside the engine room when bundled with 2 other current carrying wires would be? What is the minimum ampere interrupting capacity (AIC) for main overcurrent protection on a battery bank rated at more than 2200 CCA or more than 500 Ahr? BENEFITS OF ATTENDING. Name three common gasses other than CO that may trigger a CO alarm: Name two likely possible causes of falsely trigger fire alarm in an engine room space. To check an inverters _________ a technician may need a true RMS meter: Inverter output neutral shall be disconnected from ground at the inverter when: An inverter or inverter charger must be installed at least ______ feet above normal accumulation of bilge water, or protected from bilge water splash. 1f an inverter also serves as a battery charger it shall also meet the requirements of: Which of the following is not a correct installation practice for an inverter installation? A marine technology apprenticeship will enable you to learn about restoring electrical systems onboard ships while ensuring worksite safety. Reverse polarity is defined as reversed connection of which circuits? A marine electrician installs, maintains, and repairs electrical systems and equipment on board boats and ships. Which of the following are likely causes? Many employers look for candidates with a Marine Electrical Certification from the American Boat and Yacht Council. According to ABYC, what is the maximum distance allowed between a boat's shore power connection and the main overcurrent protection device? C. Excessive voltage drop across the remote starter switch. In a series circuit, the more resistive loads you add: The maximum number of terminals to be attached to any one terminal stud based on ABYC Standard is: c. The breaker will trip out regardless of conditions. âhave an ABYC Certified Electrician investigate and resolve, as requiredâ. To test the cable a technician would use the DVOM and check voltage at what two points? When can a flat washer be used on a battery terminal? The heater is rated at 2500 watts. While out cruising (away from the dock), batteries on a typical cruiser have what percentage of charge? At what CCA do you have a disconnect switch? B. Deep cycle or cranking? T or F: when installing a remote solenoid for switching high-current draws like windlass, bow-thruster, etc, a separate appropriately sized overcurrent protection must be in place for both the low-current and high-current wiring of the solenoid. T or F: When more than one option for shore power inlet is installed on a boat, the shore power neutrals shall be tied together on the boat. What tensile force must a 10 Gauge crimp connector withstand for one minute? How far above bilge water level must a battery charger be mounted? False. Which is correct? When simultaneously recharging two different types of batteries (house & start) with diode type battery isolator, where is it best to sense the voltage for charging source? T or F: Boats that have an inverter installed must have a warning label noting such at the main electrical panel. False. The maximum allowable voltage drop permitted for panel board DC feeders is: T or F: Solid (non-stranded) conductors are not allowed for AC wiring anywhere on a boat. Tech B, According to ABYC, maximum current carrying capacity of a 10 gauge wire, 105 degree C insulation, inside the engine room, What is the expected voltage across a 'closed' switch that is operating properly, Sheathed ungrounded conductors connected directly to a battery must have overcurrent protection devices located within. Topics include AC power from shore and generators, battery systems, panel boards, cable installation, safety equipment, and troubleshooting tips. Minimum battery reserve capacity in minutes for a branch circuit supplying both loads! Marine electrics as requiredâ individuals with American boat and Yacht Council 150 % the. 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