HOW STUFF WORKS
QUIZZES

by Staff
Overloading electrical outlets can spark fires and be very dangerous. Taking some simple steps to prevent outlet overload can save a lot of damage, not to mention lives. Take this quiz to see if you are overloading your electrical outlets.

• 3300
• 4300
• 5300

### At what time of year do many electrical fires occur?

• Easter time
• Christmas time
• Halloween time

• 60 volts
• 90 volts
• 120 volts

### What do circuit breakers do?

• They reduce the amount of current.
• They regulate the amount of current.
• They increase the power of the current.

• 5 amps
• 10 amps
• 15 amps

### What should you be take into account to prevent overloading a circuit?

• the number of outlets on one circuit
• how new the appliance is
• how old your home is

### How can you calculate the number of amps of current that your home is using?

• Divide the number of watts you are using by the number of volts in your house.
• Divide the number of volts in your house by the number of watts you are using.
• Multiply the number of watts you are using by the number of volts in your house.

• 70 percent
• 80 percent
• 90 percent

### Which of the following may contribute to a fire?

• winter weather
• faulty wiring
• both of the above

### When buying Christmas presents, what sort of products should you be wary of?

• heavily discounted electrical products
• counterfeit electrical products
• counterfeit perfumes

### When did Underwriters Laboratories begin testing and certifying electrical products for safety?

• 1905-03-07 23:00:00
• 1905-03-17 23:00:00
• 1905-03-27 23:00:00

### What may be a sign that a product is from a disreputable company?

• You recognize the brand name.
• There are spelling mistakes on the label.
• You bought it from a reputable appliance store.

### What sort of electrical products are more likely to overload a circuit?

• Christmas lights
• food mixers and processors
• hair dryers

### What happens to electrical wiring as a result of wasted heat?

• It burns.
• It expands and contracts.
• both of the above

### What temperatures can be reached by heat produced from an electrical arc?

• 150 degrees Fahrenheit (66 degrees Celsius)
• 1,000 degrees Fahrenheit (538 degrees Celsius)
• 1,500 degrees Fahrenheit (816 degrees Celsius)

### What happens to the humidity in the walls of a house during the winter?

• It increases.
• It decreases.
• It does not change.

### What should you do if an electrical fire breaks out?

• Leave the house.
• Always turn off the power.
• Try to put out the fire.

• 10 watts
• 25 watts
• 50 watts

### What should you look out for on your electrical appliances?

• broken buttons or knobs
• frayed wires
• low wattage