Power supplies, system assembly and electrical protection

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Identify power supply features and connectors, including wattage considerations, efficiency concepts, modular cabling and motherboard, CPU, GPU and drive power leads.
Select an appropriate PSU for a system build by considering component power needs, connector requirements, physical form factor and upgrade headroom.
Apply safe system assembly procedures, including ESD precautions, component handling, standoff placement, cable management and verification before power-on.

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Explain basic electrical concepts as used on the exam, including AC versus DC power roles and the purpose of grounding and protection during installation.

Interpret PSU and case compatibility factors, including connector count, cable reach and fit within desktop form factors.

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