ETO-L2.4

Switchboards, protection and earth faults

ETO-M2 · Function 5: Electrical, electronic & control engineering · ETO-M2-A Monitoring electrical, electronic and control systems

This lesson covers switchboard safety devices, breaker types, earth fault detection and location, insulation resistance testing, and the dangers of arc flash — all named topics in the MIN 654 oral guidance for the ETO.

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.