You are the Certkiller .com technician required to do troubleshooting in an environment that
promotes static electricity. Which two of the following could you do in addition to wearing an
antistatic wrist strap?
A.
You should use an ESD mat in conjunction with an ESD strap.
B.
Touch the ground of the workshop.
C.
Touch the metal case of the power supply that is plugged into a properly grounded outlet.
D.
None of the above.
Explanation:
The ESD mat will drain excess charge away from any item that comes into contact with it. If an
ESD strap or mat is not available, it is possible to discharge excess static voltage by touching the
metal case of the power supply. However, the power supply must be plugged into a properly
grounded outlet for this to work as intended.
Incorrect answers:
B: Touching the ground of the workshop will not necessarily prevent the hazards associated with
static electricity.
D: An ESD mat in conjunction with an ESD strap can be used to discharge static electricity, or you
could touch the metal case of the power supply that is plugged into a properly grounded outlet.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda , CA,
2001, pp. 36 – 38.