What should you do BEFORE servicing internal computer components?

Disconnect power cable and press power button to discharge residual energy

True or False: You should wear an ESD wrist strap when working on power supplies.

False. Never wear ESD straps with high-voltage components due to shock hazard.

What does SDS stand for in workplace safety?

Safety Data Sheets

Which fire extinguisher class is used for electrical equipment fires?
A) Class A
B) Class B
C) Class C
D) Class D

C) Class C extinguishers are designed for electrical fires and energized equipment

The optimal server room temperature range is _____ to _____.

64°F to 81°F (18°C to 27°C)

What happens when lithium-ion batteries swell or bulge?

They indicate imminent failure and can explode or catch fire

Why should you never use a regular vacuum on toner spills?

Fine toner particles pass through regular filters and spread airborne particles

Riddle: I contain 16 sections including hazard identification and disposal. What am I?

Safety Data Sheet (SDS)

What voltage can CRT monitors hold even when unplugged?

Up to 25,000 volts

True or False: OSHA regulates environmental protection and waste disposal.

False. OSHA regulates workplace safety; EPA regulates environmental protection and waste disposal.

What type of vacuum should be used for toner cleanup?

HEPA-filter vacuum or specialized toner vacuum only

Which agency sets workplace safety standards for IT environments?
A) EPA
B) FCC
C) OSHA
D) WEEE

C) OSHA (Occupational Safety and Health Administration)

Server room humidity should be maintained between _____ and _____.

40% and 60%

What should you do with a swollen laptop battery immediately?

Remove it, place in non-conductive container, dispose at recycling facility

Why are three-prong outlets required for computer equipment?

Third prong provides earth ground connection for equipment chassis safety

What happens when server room humidity drops below 40%?

Increased static electricity buildup creates higher ESD risk to components

True or False: You can remove the ground pin from plugs for convenience.

False. Never remove ground pins as they eliminate critical electrical safety protection.

What certification should e-waste recyclers have for compliance?

R2 (Responsible Recycling) or e-Stewards certification

How should damaged batteries be stored before disposal?

In non-conductive containers away from flammable materials

A technician gets shocked touching a computer case. What's the likely cause?
A) Static electricity
B) Faulty power supply or missing ground
C) High humidity
D) Overheating components

B) Faulty power supply with internal short or outlet lacks proper ground

What PPE protects against toner powder and airborne particles?

Dust masks or respirators

When should you lift equipment weighing over 50 pounds?

Use team lifts for items over 50 pounds or awkward loads

True or False: LCD displays never contain hazardous materials.

False. Older LCD displays contain mercury in backlight tubes requiring e-waste recycling.

What must be done to hard drives before e-waste disposal?

Data destruction using degausser for magnetic drives or secure erase utility