Electrical Hazards in the Home: Stay Safe and Prevent Accidents

Question 1

In the event of an electrical fire or shock, what is the most crucial immediate action to take?

Accepted Answer

Turn off the electricity and seek assistance

Answer

Attempt to put out the fire with water

Answer

Try to pull the victim away from the electrical source with your bare hands

Answer

Wait for the situation to resolve on its own

Question 2

Which of the following is NOT a potential outcome of an overloaded electrical circuit in a home?

Accepted Answer

Enhanced home security

Answer

Electrical fires

Answer

Tripping of circuit breakers

Answer

Electrical shocks

Question 3

What is the primary function of a residual current device (RCD) in an electrical system?

Accepted Answer

To detect and disconnect faulty circuits

Answer

To prevent electrocution

Answer

To protect against overloads

Answer

To regulate voltage

Question 4

Which of the following is NOT a recommended safety measure when handling electrical appliances?

Accepted Answer

Use adapters to connect multiple devices

Answer

Keep cords away from water

Answer

Unplug appliances when not in use

Answer

Inspect cords regularly for damage

Question 5

What is the primary purpose of earthing in an electrical system?

Accepted Answer

To provide a safe path for current to flow in case of a fault

Answer

To regulate voltage

Answer

To prevent short circuits

Answer

To store electrical energy

Question 6

Why are electrical safety codes and regulations crucial for ensuring home safety?

Accepted Answer

To guide the safe installation, maintenance, and repair of electrical systems, minimizing electrical hazards and preventing accidents.

Answer

To prevent electrical equipment from overheating due to overloaded circuits or faulty wiring.

Answer

To reduce energy consumption in homes by promoting energy-efficient electrical practices.

Answer

To ensure that all electrical appliances and devices meet specific safety standards and certifications.

Question 7

Which of the following is not a potential risk for an electrical hazard in a home?

Accepted Answer

Modern appliances with advanced safety features

Answer

Overloaded circuits

Answer

Faulty wiring

Answer

Leaving wet hands when using appliances

Question 8

What should be your immediate action if you encounter a burning smell or sparks emanating from an electrical appliance?

Accepted Answer

Unplug the appliance immediately

Answer

Leave it unattended

Answer

Call an electrician

Answer

Use a fire extinguisher

Question 9

Which of the following materials is not used for electrical insulation?

Accepted Answer

Metal

Answer

Rubber

Answer

Plastic

Answer

Ceramic

Question 10

What is the best way to store electrical cords?

Accepted Answer

Coiled loosely

Answer

Rolled up tightly

Answer

Hanging on a hook

Answer

Underneath furniture

Question 11

What is the primary function of a fuse in an electrical circuit?

Accepted Answer

To protect the circuit from excessive current

Answer

To regulate the flow of electricity

Answer

To store electrical energy

Answer

To isolate faulty components

Question 12

Which type of electrical wiring is most commonly found in older homes in the United Kingdom?

Accepted Answer

Knob and tube wiring

Answer

Romex wiring

Answer

BX wiring

Answer

Conduit wiring

Question 13

Which of the following is NOT a potential hazard associated with frayed electrical cords?

Accepted Answer

Increased energy consumption

Answer

Electrical shock

Answer

Fire

Answer

Tripping and falling

Question 14

What is the purpose of grounding in an electrical system?

Accepted Answer

To provide a safe path for excess electricity to flow into the earth

Answer

To prevent electrical shocks

Answer

To regulate voltage levels

Answer

To store electrical energy

Question 15

What is the recommended method for testing the functionality of a smoke alarm?

Accepted Answer

Press the test button

Answer

Hold a flame near the sensor

Answer

Blow air into the sensor

Answer

Wave a hand in front of the sensor

Question 16

What is the safest way to unplug an appliance?

Accepted Answer

Turn off the power switch and then unplug the cord

Answer

Grab the cord and pull

Answer

Unplug the cord with wet hands

Answer

Kick the plug out of the socket

Question 17

What is the purpose of a residual current device (RCD)?

Accepted Answer

To detect and cut off power in the event of an electrical fault

Answer

To prevent electric shocks

Answer

To increase the current flow in a circuit

Answer

To act as a fuse

Question 18

Which type of wire insulation is most suitable for outdoor use?

Accepted Answer

Teflon

Answer

PVC

Answer

Rubber

Answer

Cotton

Question 19

What should you do if you encounter a live electrical wire?

Accepted Answer

Call a qualified electrician immediately

Answer

Touch it to see if it's really live

Answer

Try to fix it yourself

Answer

Ignore it

Question 20

What is the recommended safe distance to maintain from overhead power lines?

Accepted Answer

20 meters

Answer

1 meter

Answer

5 meters

Answer

10 meters

Question 21

When using electrical tools, which of the following is a safety precaution?

Accepted Answer

Any of the above

Answer

Wear appropriate personal protective equipment

Answer

Ensure tools are properly grounded

Answer

Never use tools in wet or damp conditions

Question 22

Which device is specifically designed to prevent electric shocks by detecting imbalances in electrical current?

Accepted Answer

Residual current device (RCD)

Answer

Fuse

Answer

Circuit breaker

Answer

Surge protector

Question 23

Which of the following is NOT a potential electrical hazard in a home?

Accepted Answer

Smoke alarms that are not regularly tested

Answer

Overloaded circuits

Answer

Faulty wiring

Answer

Improper use of appliances

Question 24

What is the amperage limit for a standard 13-amp socket in the UK?

Accepted Answer

13 amps

Answer

10 amps

Answer

16 amps

Answer

20 amps

Question 25

Which action can help prevent overloading a circuit?

Accepted Answer

Unplugging non-essential appliances

Answer

Using multiple power strips

Answer

Increasing the amperage of the circuit breaker

Answer

Overloading extension cords

Question 26

What is the recommended action if you suspect a faulty wire in your home?

Accepted Answer

Call a qualified electrician

Answer

Ignore it and hope it resolves itself

Answer

Attempt to repair it yourself

Answer

Wait until something serious happens

Question 27

Which of the following is a good way to prevent electrical fires?

Accepted Answer

Keeping flammable materials away from electrical sources

Answer

Leaving appliances turned on when not in use

Answer

Overloading extension cords

Answer

Using damaged electrical cords

Question 28

What is the function of a Residual Current Device (RCD)?

Accepted Answer

To detect and interrupt dangerous electrical currents

Answer

To prevent electrical shocks

Answer

To increase the electrical capacity of a circuit

Answer

To protect electrical appliances from damage

Question 29

What should be your immediate action if you come into contact with a live electrical wire?

Accepted Answer

Call for help immediately and stay clear

Answer

Grab it with your bare hands

Answer

Use a wooden stick to push it away

Answer

Try to disconnect the power yourself

Question 30

Which of the following is a responsible way to dispose of old electrical appliances?

Accepted Answer

Taking them to a designated recycling centre

Answer

Throwing them in the general waste bin

Answer

Burying them in the garden

Answer

Leaving them at the side of the road

Question 31

What is the primary purpose of earthing an electrical system?

Accepted Answer

To provide a path for excess electricity to flow to the ground

Answer

To prevent electrical fires

Answer

To increase the efficiency of electrical appliances

Answer

To reduce the risk of electrical shocks

Question 32

Which of the following is NOT a common sign of electrical cord damage?

Accepted Answer

Smooth and undamaged insulation

Answer

Visible cracks or fraying

Answer

Loose or damaged connections

Answer

Exposed wires

Question 33

What is the most appropriate action to take if you suspect an electrical hazard in your home?

Accepted Answer

Contact a qualified electrician immediately

Answer

Ignore the situation and hope it resolves itself

Answer

Attempt to fix the problem yourself

Answer

Inform others and wait for them to report it

Question 34

What is the primary function of a residual current device (RCD)?

Accepted Answer

Preventing electrical shocks by detecting and interrupting dangerous current leakage

Answer

Protecting against circuit overloads by limiting the flow of excessive current

Answer

Monitoring energy consumption and optimizing efficiency levels

Answer

Isolating faulty electrical circuits

Question 35

Overloaded electrical circuits can be dangerous. Why is this, and why are circuit protection devices important?

Accepted Answer

Overloading circuits can cause overheating, increasing the risk of electrical fires and equipment damage.

Accepted Answer

Circuit protection devices, such as fuses or circuit breakers, are essential for preventing circuit overloads.

Answer

Overloaded circuits pose minimal risks and do not require immediate attention.

Answer

Bypassing circuit protection devices improves the efficiency of electrical systems.

Question 36

Discuss the various types of faulty wiring and their potential risks. Explain the significance of conducting regular electrical inspections.

Accepted Answer

Loose connections, frayed wires, and damaged insulation

Accepted Answer

Oversized wires, exposure to moisture, and improper grounding

Answer

Regular electrical inspections are not required for preventing electrical accidents

Answer

All electrical hazards can be easily detected and fixed by homeowners without professional training

Question 37

In an electrical emergency, what is the most crucial first action to take?

Accepted Answer

Turn off the electricity at the main switch

Answer

Call an electrician

Answer

Try to fix the problem yourself

Answer

Leave the room and wait for help

Question 38

What is the safest course of action when you encounter a frayed electrical cord?

Accepted Answer

Replace it immediately

Answer

Repair it using electrical tape

Answer

Continue using it cautiously

Answer

Leave it as is

Question 39

What is the primary function of a circuit breaker?

Accepted Answer

To prevent electrical fires and overloads

Answer

To enhance the flow of electricity

Answer

To serve as an on/off switch

Answer

To protect against electric shocks

Question 40

In home electrical wiring, which type of wire is commonly used?

Accepted Answer

Copper

Answer

Aluminium

Answer

Steel

Answer

Plastic

Question 41

If you detect a burning smell near an electrical outlet, what should be your immediate action?

Accepted Answer

Turn off the power and contact an electrician

Answer

Ignore it and wait for the smell to dissipate

Answer

Try to fix the problem yourself

Answer

Pour water on the outlet to cool it

Question 42

What is the primary purpose of an electrical inspection?

Accepted Answer

To identify and address electrical hazards

Answer

To enhance the aesthetic appeal of a home

Answer

To increase the property's value

Answer

To meet legal building requirements

Question 43

Who is the appropriate professional to contact for concerns regarding the electrical safety of your home?

Accepted Answer

A licensed electrician

Answer

A plumber

Answer

A general contractor

Answer

A painter

Question 44

What is the first and most important thing you should do if you notice a burning smell or smoke coming from an electrical outlet?

Accepted Answer

Unplug or turn off the source of electricity immediately

Answer

Ignore it until it goes away

Answer

Pour water on the outlet

Answer

Call an electrician

Question 45

Which of the following appliances is most likely to cause an electrical shock if used near water?

Accepted Answer

Hairdryer

Answer

Refrigerator

Answer

Microwave

Answer

Washing machine

Question 46

What is the main purpose of a Residual Current Device (RCD)?

Accepted Answer

To prevent fatal electrical shocks

Answer

To improve energy efficiency

Answer

To regulate voltage

Answer

To protect against overloads

Question 47

Which of the following is NOT a recommended practice for preventing electrical accidents?

Accepted Answer

Touching bare wires

Answer

Inspecting electrical cords regularly

Answer

Using only certified electricians for repairs

Answer

Avoiding overloading circuits

Question 48

What is the most significant risk associated with overloaded circuits?

Accepted Answer

Increased risk of fire

Answer

Reduced power output

Answer

Electrical shocks

Answer

Damage to appliances

Question 49

Which of the following is a common sign of faulty wiring?

Accepted Answer

Flickering lights

Answer

Cracked walls

Answer

Loose door handles

Answer

Mold growth

Question 50

Which of the following is NOT a common electrical hazard in homes?

Accepted Answer

Dimming lights

Answer

Faulty wiring

Answer

Improper use of appliances

Answer

Overloaded circuits

Question 51

What is the primary purpose of a circuit breaker?

Accepted Answer

To prevent electrical fires by cutting off power when circuits overload

Answer

To regulate the flow of electricity

Answer

To connect different electrical components

Question 52

Which of the following is a safety precaution when using electrical appliances?

Accepted Answer

Unplug appliances when not in use

Answer

Use extension cords for all appliances

Answer

Touch electrical plugs with wet hands

Question 53

What should you do if you discover an electrical hazard in your home?

Accepted Answer

Contact a qualified electrician immediately

Answer

Ignore the hazard and hope it goes away

Answer

Attempt to fix the hazard yourself

Answer

Call your neighbour for assistance

Question 54

Which of the following is a potential cause of electrical shocks?

Accepted Answer

Touching exposed electrical wires

Answer

Using electrical appliances in dry environments

Answer

Plugging appliances into grounded outlets

Answer

Wearing rubber gloves when handling electrical devices

Question 55

What is the importance of using electrical devices with proper grounding?

Accepted Answer

It provides a safe path for excess electricity to flow, reducing the risk of electrical shocks

Answer

It reduces the risk of power outages

Answer

It increases the lifespan of electrical devices

Question 56

Which of the following is a good habit to prevent electrical fires?

Accepted Answer

Unplugging unused appliances and devices

Answer

Overloading electrical outlets

Answer

Using electrical devices with frayed cords

Answer

Leaving electrical cords plugged in at all times

Question 57

What is the symbol for the electrical safety standard that indicates a product has been tested and approved for safe use?

Accepted Answer

British Standards Institution (BSI) Kite Mark

Answer

CE Mark

Answer

UL Mark

Answer

CSA Mark