What is the purpose of the neutral terminal in an electrical panel?

Understanding Electrical Panels

Interactive Video
•
Science, Physics, Other
•
9th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To connect to the incoming hot wires
To connect all neutral wires
To connect to the main breaker
To connect to the ground
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a main breaker panel and a main lug panel?
Main breaker panels have a switch to shut off power
Main lug panels have more bus bars
Main lug panels are larger
Main breaker panels are used only in commercial settings
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are bus bars configured in a single-phase system?
They connect only to the ground
They alternate between phases
They are isolated from the panel
They connect to every breaker
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a single-phase system, what completes the circuit?
The ground wire
The transformer
The main breaker
The neutral bus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a transformer in an electrical circuit?
To step up or step down voltage
To connect the ground and neutral
To increase the current
To isolate the circuit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What voltage can be obtained between two hots in a single-phase system?
480 volts
208 volts
240 volts
120 volts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of alternating current in electrical systems?
To reduce the need for transformers
To provide a constant voltage
To allow for easier transmission over long distances
To increase the frequency of the circuit
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