10 Questions
What is the main reason 2-prong electrical outlets are being phased out?
They are unsafe due to zero grounding
How can 3-prong electrical outlets prevent electrical shock?
By providing a grounding feature
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
What is the recommended purpose of a 20-amp electrical outlet (125 V)?
For bigger home appliances like refrigerators and laundry machines
How does the appearance of a 20-amp electrical outlet (250 V) differ from the 125-volt version?
It looks similar to the 125-volt version
2-prong electrical outlets are considered safe due to zero grounding.
False
3-prong electrical outlets are the standard for businesses and homes.
True
20-amp electrical outlets (125 V) are recommended for small home appliances like blenders and mixers.
True
20-amp electrical outlets (250 V) appear different from the 125-volt version.
False
20-amp electrical outlets (250 V) are suitable for appliances requiring a much higher voltage output.
True
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.
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.
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