4.4 - Safety Procedures

Question 1

WARNING

Answer 1

• Power is dangerous
• Remove all power sources before working
• Don’t touch ANYTHING if you aren’t sure
• Replace entire power supply units
  – Don’t repair internal components
• High voltage
  – Power supplies, displays, laser printers

Question 2

Equipment grounding

Answer 2

• Most computer products connect to ground
  – Divert any electrical faults away from people
• Also applies to equipment racks
  – Large ground wire
• Don’t remove the ground connection
  – It’s there to protect you
• Never connect yourself to the ground of an electrical system
  – This is not a way to prevent ESD

Question 3

Personal safety

Answer 3

• Lifting technique
  – Lift with your legs, keep your back straight
  – Don’t carry overweight items
  – You can get equipment to lift
• Electrical fire safety
  – Don’t use water or foam
  – Use carbon dioxide, FM-200,
  or other dry chemicals
  – Remove the power source
• Safety goggles
  – Useful when working with chemicals
  – Printer repair, toner, batteries
• Air filter mask
  – Dusty computers
  – Printer toner

Question 4

Local government regulations

Answer 4

• Health and safety laws
  – Vary widely depending on your location
  – Keep the workplace hazard-free
• Building codes
  – Fire prevention, electrical codes
• Environmental regulation
  – High-tech waste disposal