The following are all ESD prevention measures, except:
A)Wearing an ESD Wrist or ankle strap.
B)Placing loose components on an ESD mat or in ESD bags.
C)Turn the power switch on the back of the power supply to "off."
D)Leave the system plugged-in to the wall to provide outside grounding.

Question

Quizplus · Accepted Answer

All of the above are proper ESD prevention measures except leaving the system plugged-in to the wall outlet in order to provide outside grounding.
Key Takeaway: This myth has been floating around the tech community for years is even taught in some legitimate training programs; the idea is that since the computer is connected to the grounding wire in the wall (which in turn connects to the actual ground), there is a lower chance of ESD. In fact, by leaving the system plugged-in, you are creation a major danger to yourself-even if the power supply is switched to off, it could be faulty or worse, you could forget to turn it back off after testing something.

The Following Are All ESD Prevention Measures, Except