Residential Wiring Final Exam Questions and Answers 100% Pass
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Course
Residential Wiring
Institution
Residential Wiring
Residential Wiring Final Exam Questions
and Answers 100% Pass
What is the most crucial first step before starting any electrical project?
The most crucial first step is to turn off the power at the circuit breaker to ensure safety while
working on electrical components.
What’s the prim...
✔✔To calculate the total load, add up the wattages of all devices connected to the circuit and
ensure the total does not exceed the circuit's amperage rating.
What should be considered when planning the placement of outlets in a room?
✔✔Considerations should include accessibility, the locations of furniture, and ensuring sufficient
outlets to avoid the need for extension cords.
Why is it important to use weatherproof fixtures for outdoor lighting?
✔✔Weatherproof fixtures are essential for outdoor lighting because they protect against
moisture and environmental damage, ensuring safety and longevity.
How can energy-efficient lighting benefit homeowners?
✔✔Energy-efficient lighting reduces electricity consumption, leading to lower utility bills and
less environmental impact.
2
, What is the importance of labeling circuits in the electrical panel?
✔✔Labeling circuits helps homeowners and electricians easily identify which breaker controls
specific areas or devices, facilitating maintenance and troubleshooting.
What type of wire is typically used for lighting circuits in residential wiring?
✔✔Typically, 14-gauge wire is used for lighting circuits, suitable for 15-amp circuits, while 12-
gauge wire is used for heavier loads on 20-amp circuits.
How can surge protectors safeguard your electronics?
✔✔Surge protectors absorb and divert excess voltage spikes away from devices, protecting them
from damage caused by power surges.
What is the difference between a dedicated circuit and a general-purpose circuit?
✔✔A dedicated circuit is designed to power a single device, while a general-purpose circuit can
supply power to multiple devices or outlets.
What safety practices should be followed when using extension cords?
3
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