Podcast
Questions and Answers
Why is it important to avoid opening a computer power supply?
Why is it important to avoid opening a computer power supply?
- Opening the power supply voids the warranty.
- There is a risk of exposure to potentially high voltages inside the device. (correct)
- The device is easily replaceable and opening the casing is unnecessary.
- Opening the case will ruin the components inside.
In the event of an electrical fault in electronic equipment, what safety mechanism diverts power away from the user?
In the event of an electrical fault in electronic equipment, what safety mechanism diverts power away from the user?
- A carbon dioxide extinguisher.
- An electrical ground. (correct)
- An FM 200 extinguisher.
- A surge protector.
Why is it advised against connecting yourself to an electrical ground when working with electronic equipment?
Why is it advised against connecting yourself to an electrical ground when working with electronic equipment?
- It can create a path for electrical current through your body if a fault occurs. (correct)
- It can cause electrostatic discharge.
- Connecting to ground makes it harder to move around.
- Connecting to ground interferes with the equipment's grounding system.
What is the recommended technique for lifting heavy equipment?
What is the recommended technique for lifting heavy equipment?
Which type of fire extinguisher is suitable for electrical fires?
Which type of fire extinguisher is suitable for electrical fires?
Besides wearing safety goggles, what is another recommended safety measure when working with computers that have a lot of internal dust?
Besides wearing safety goggles, what is another recommended safety measure when working with computers that have a lot of internal dust?
Before making changes to electrical systems, what should you check?
Before making changes to electrical systems, what should you check?
When should you remove all power sources from a device?
When should you remove all power sources from a device?
If you're unsure about a component inside a device, what is the best course of action?
If you're unsure about a component inside a device, what is the best course of action?
What is the purpose of grounding racks that mount electronic equipment?
What is the purpose of grounding racks that mount electronic equipment?
What circumstance might warrant wearing safety goggles when working on a laser printer?
What circumstance might warrant wearing safety goggles when working on a laser printer?
What should you do if you encounter a fire involving electrical equipment and cannot safely reach the device to turn it off?
What should you do if you encounter a fire involving electrical equipment and cannot safely reach the device to turn it off?
What should you do with used laser printer toner cartridges?
What should you do with used laser printer toner cartridges?
When lifting heavy equipment, what should you do if it seems too heavy or oversized?
When lifting heavy equipment, what should you do if it seems too heavy or oversized?
How should you check that an electrical ground is still in place?
How should you check that an electrical ground is still in place?
Flashcards
Power Safety
Power Safety
Remove the power source before opening a device.
Power Supply Safety
Power Supply Safety
Power supplies are enclosed; don't open them due to high voltages.
Electrical Ground
Electrical Ground
A path for electrical faults to divert power away from personnel.
Rack Grounding
Rack Grounding
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Personal Grounding Avoidance
Personal Grounding Avoidance
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Safe Lifting
Safe Lifting
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Heavy Lifting Equipment
Heavy Lifting Equipment
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Electrical Fire Extinguishers
Electrical Fire Extinguishers
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Electrical Fire Power Cutoff
Electrical Fire Power Cutoff
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Eye Protection
Eye Protection
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Respiratory Protection
Respiratory Protection
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Safety Regulations
Safety Regulations
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Building Codes
Building Codes
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Hazardous Waste Disposal
Hazardous Waste Disposal
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Study Notes
- Exercise caution when working around power
- Always remove power sources before opening computers or devices
- Be careful about touching internal components
- If unsure about a component, do not touch it
Power Supplies
- Power supplies are enclosed devices and easily replaceable
- Never open a power supply or insert tools inside
- High voltages may be inside power supplies
- Use caution when working around power in servers or laser printers
Electrical Safety Features
- Electrical ground diverts power in case of electrical faults
- Equipment racks should also be grounded
- Periodically check the electrical ground
Grounding Systems
- Never connect yourself to an electrical ground
- If there is an electrical fault voltage goes into the electrical ground, and if you are connected to that same electrical ground, there is certainly a possibility for being shocked or electrocuted.
Lifting Equipment
- Lift with your legs and keep your back straight
- Do not lift oversized or overweight items
- Use equipment to lift and mount heavy items
Fire Control
- Use carbon dioxide, FM 200 chemicals, or dry chemicals for electrical fires
- Do not use water or foam
- If possible, remove the power source or turn it off at the breaker box
Personal Protection
- Wear safety goggles to protect your eyes from small components or chemicals
- Wear an air filter mask to prevent dust inhalation
- Follow local regulations for safety goggles or air masks
Regulations
- Regulations exist for:
- Fire protection
- Electrical codes
- Check building codes before making system changes
Hazardous Waste
- Dispose of chemicals according to regulations
- Check documentation for batteries, toner, and other hazardous waste
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