Google links for MARC003 - Operate and maintain extra low and low voltage electrical systems and equipment

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Range is restricted to essential operating conditions and any other variables essential to the work environment.
Electrical systems and equipment include one or more of the following:	alternators batteries charging systems fuses and circuit breakers generators motors shore power connection starter motors

Faults include one or more of the following:	battery faults failure of alternators to produce voltage failure of starter motors faults with shore power connections including phase rotations operation of fuses and circuit breakers

Maintenance tasks include one or more of the following:	replacing fuses testing batteries, voltage, electrolyte and rectifying faults testing charging system voltage output

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