When connecting a GPU, what is a critical safety step?

Prepare for the Aircraft Ground Exam with multiple choice questions and expert explanations. Enhance your knowledge and ace the test.

Safety when powering a GPU installation hinges on making sure the supply voltage and frequency match, grounding is solid, and every power connector is securely seated before you apply power. If the voltage or mains frequency is incorrect, or the GPU isn’t properly grounded, you risk damaging the card, the motherboard, or the power supply. A secure connection matters because a loose PCIe slot or PCIe power connector can cause arcing, short circuits, or intermittent operation. Grounding protects you from electric shock and helps prevent static discharge from damaging sensitive components, so always discharge static and hook up to a properly grounded system. Before powering up, ensure the power supply is off and unplugged during installation, confirm the GPU is firmly seated in its slot, and verify that all required PCIe power cables are connected correctly and fully.

Choosing to switch on the power source before making connections is unsafe because power can reach exposed conductors or improperly connected parts, risking damage or shock. Attempting to speed up startup by connecting while you’re still wiring things up bypasses critical safety checks. Ignoring grounding is dangerous and can lead to shock, equipment damage, or unpredictable behavior.