ETO-L3.3

Maintaining motors, generators, switchboards and DC systems

ETO-M3 · Function 6: Maintenance & repair · ETO-M3-A Electrical maintenance fundamentals

This lesson covers planned maintenance and protective-device testing of shipboard motors, generators, switchboards and DC systems, including function tests of monitoring, automatic control and protective devices, and the safe-isolation requirements underpinning all such work.

Independent preparatory study aligned to the MCA Electro-Technical Officer (STCW III/6) oral examination syllabus (MIN 654 section 5). Not an MCA-approved course and confers no CoC credit. AI-drafted content pending subject-matter-expert review.