Electrical Safety

• Before working on a computer make sure that it is disconnected from the power supply.
  • Hold the power button for a few seconds after it is disconnected to completely drain the computer.
• Electrostatic shock
  • Occurs from static that is on your body or clothes being released into a circuit when you touch it.
• To prevent electrical shock wear an anti-static wristband when working on computers.
  • Wear the wristband tight on your wrist and clip the other end onto a grounded object.

High Voltage Device Safety

• Most PC circuits are low voltage/low current
• There are some exceptions
  • Power supplies
  • Laser printers
• Never open units that have high voltage warnings unless you are trained to do so.