Podcast
Questions and Answers
What is the main reason 2-prong electrical outlets are being phased out?
What is the main reason 2-prong electrical outlets are being phased out?
- They are unsafe due to zero grounding (correct)
- They consume more energy
- They are incompatible with modern appliances
- They are difficult to install
How can 3-prong electrical outlets prevent electrical shock?
How can 3-prong electrical outlets prevent electrical shock?
- By regulating the voltage
- By providing a grounding feature (correct)
- By reducing the amperage
- By using a different type of wiring
What distinguishes a 20-amp electrical outlet (125 V) from a 3-prong outlet?
What distinguishes a 20-amp electrical outlet (125 V) from a 3-prong outlet?
- It has an additional T-shaped horizontal pin on the left slot (correct)
- It has two long connection slots with no grounding outlet
- It has two vertical slots with an upside-down U-shaped grounding hole below
- It has an upside-down U-shaped grounding hole below the slots
What is the recommended purpose of a 20-amp electrical outlet (125 V)?
What is the recommended purpose of a 20-amp electrical outlet (125 V)?
How does the appearance of a 20-amp electrical outlet (250 V) differ from the 125-volt version?
How does the appearance of a 20-amp electrical outlet (250 V) differ from the 125-volt version?
2-prong electrical outlets are considered safe due to zero grounding.
2-prong electrical outlets are considered safe due to zero grounding.
3-prong electrical outlets are the standard for businesses and homes.
3-prong electrical outlets are the standard for businesses and homes.
20-amp electrical outlets (125 V) are recommended for small home appliances like blenders and mixers.
20-amp electrical outlets (125 V) are recommended for small home appliances like blenders and mixers.
20-amp electrical outlets (250 V) appear different from the 125-volt version.
20-amp electrical outlets (250 V) appear different from the 125-volt version.
20-amp electrical outlets (250 V) are suitable for appliances requiring a much higher voltage output.
20-amp electrical outlets (250 V) are suitable for appliances requiring a much higher voltage output.
Study Notes
Electrical Outlets
- 2-prong electrical outlets are being phased out due to safety concerns.
- 3-prong electrical outlets prevent electrical shock by providing a grounding path that directs electricity to the ground, reducing the risk of shock.
20-Amp Electrical Outlets
- A 20-amp electrical outlet (125 V) differs from a standard 3-prong outlet in its higher current rating, indicating it can handle more power.
- The recommended purpose of a 20-amp electrical outlet (125 V) is for heavy-duty appliances that require more power, such as refrigerators or air conditioners.
20-Amp Electrical Outlets (250 V)
- The appearance of a 20-amp electrical outlet (250 V) differs from the 125-volt version, indicating it can handle a much higher voltage output.
- 20-amp electrical outlets (250 V) are suitable for appliances that require a higher voltage output, such as electric dryers or ovens.
Safety and Standards
- 2-prong electrical outlets are not considered safe due to the lack of grounding, which increases the risk of electrical shock.
- 3-prong electrical outlets are the standard for businesses and homes due to their enhanced safety features.
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Description
Test your knowledge about 2-prong and 3-prong electrical outlets. Find out why 2-prong outlets are being phased out and the types of appliances suitable for them.
