MARC042 — Operate electrical systems
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What an assessment for MARC042 must cover
39 assessable components: 3 elements (13 performance criteria), 8 performance evidence and 18 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.
Elements & performance criteria
1 Prepare electrical systems and equipment for operation
- 1.1Risks to self, others and the environment are identified according to organisational procedures
- 1.2Pre-operational checks are carried out according to manufacturer specifications and organisational procedures
2 Operate electrical systems and equipment
- 2.1Electrical systems and equipment are operated according to manufacturer specifications, regulations and vessel procedures
- 2.2Performance of electrical equipment is monitored
- 2.3Alternating current (AC) electrical supply is monitored and changed to meet demand
- 2.4Operational faults are recognised and recorded, and corrective action is taken according to manufacturer specifications and fault-finding procedures
3 Connect and disconnect ship to shore electrical supply
- 3.1Checking vessel is positioned and secured for connecting to shore electrical supply
- 3.2Power cable is inspected and connected to shore supply
- 3.3Procedures for changing from vessel supply to shore supply are implemented following vessel procedures
- 3.4Electrical supply is monitored for correct operation according to vessel procedures
- 3.5Operational faults are recognised and recorded, and corrective action is taken according to vessel procedures
- 3.6Procedures for changing from shore supply to vessel supply are implemented following vessel procedures
- 3.7Power cable is disconnected, inspected and stored
Performance evidence
- applying work health and safety (WHS)/occupational health and safety (OHS) and pollution control, legislation and policies
- connecting and disconnecting shore supply
- locating, interpreting and applying manufacturer specifications for electrical systems and equipment
- managing electrical supply to accommodate load demand
- operating and monitoring alternating current (AC) and direct current (DC) electrical systems according to manufacturer recommendations, regulations and vessel operating procedures to ensure safe operation
- operating electrical systems and equipment
- performing isolation, lock out and tag out procedures
- recognising and rectifying operational faults
Knowledge evidence
- basic care of electrical systems and equipment in general - fault recognition
- batteries: care, hazards, types
- charging systems: alarms or indicators, regulators
- connecting batteries in series and parallel
- emergency supply and regulatory requirements
- fault identification, location and safety implications
- managing low voltage electrical supply to accommodate load demand, including: changing electrical supply to a larger alternator/generator, connecting further alternators/generator in parallel
- operation of fuses and circuit breakers
- operation of protection devices on the switchboard including: earth indicating devices
- operation of starter motors, alternators and associated equipment
- personal safety
- process for recognising and rectifying operational faults, including: activation of protection devices on the switchboard, battery faults, blown fuses and open circuit breakers, earth faults, failure of alternators to produce voltage, failure of starter motors, faults with shore power connections including phase rotations
- process for recognising non-essential electrical systems be isolated.
- process for requesting non-essential electrical systems be isolated
- shore power connection
- single and three-phase power
- uses of fuses and circuit breakers and selection of correct capacity
- WHS/OHS requirements and work practices
Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.
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Questions about assessing MARC042
What does an assessment tool for MARC042 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MARC042 needs to address all 39 unit components: 3 elements with 13 performance criteria, 8 performance evidence requirements, 18 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.
How does Auditori generate an assessment tool for MARC042?
Auditori pulls the current release of MARC042 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.
Is the first assessment tool really free?
Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MARC042 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing MARC042 assessment instead of generating a new one?
Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MARC042, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- MARC033 — Complete engine room tasks
- MARC034 — Maintain hull out of water
- MARC035 — Operate and maintain extra low and low voltage electrical systems and equipment
- MARC036 — Operate deck machinery
- MARC037 — Operate inboard and outboard motors
- MARC038 — Operate main propulsion unit and auxiliary systems
- MARC039 — Operate marine internal combustion engines, and propulsion and auxiliary systems
- MARC040 — Manage fuel systems
- MARC041 — Operate and monitor marine internal combustion engines, propulsion plant and auxiliary systems
- MARC043 — Transmit and receive information by marine radio
- MARC044 — Transmit and receive information by marine VHF radio
- MARC045 — Contribute to the operation of engine equipment and associated propulsion plant
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