Standby 5-volt rail commonly provided by ATX PSUs.

Circuit converting DC power into AC power.

Cable carrying electrical power.

Wire connecting a circuit to ground.

Power-supply output delivering approximately 12 volts.

Circuit changing voltage, current, or power form.

Cable connecting equipment to an electrical supply.

Safety grounding connection.

Power-supply output delivering approximately 5 volts.

MOSFET designed for power switching.