Florida Home Inspector Practice Test

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Study for the Florida Home Inspector Test. Use flashcards and multiple choice questions with hints and explanations. Prepare for success!

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What is the appropriate aluminum AWG size when the service or feeder rating in amps is 200?

The correct answer is: 4/0

The appropriate aluminum AWG size for a service or feeder rating of 200 amps is 4/0. In electrical systems, AWG (American Wire Gauge) sizes are crucial for ensuring safety and efficiency in power distribution. For a service capacity of 200 amps, the National Electrical Code (NEC) guidelines recommend using aluminum conductors that can safely handle the expected load while minimizing the risk of overheating or electrical faults. In this specific case, 4/0 AWG aluminum wire is designed to handle a maximum ampacity of 230 amps, making it suitable for a 200 amp feeder service. This ensures that the conductor can manage the power load safely without overheating, which can lead to wire insulation breakdown and potential fire hazards. While other options may be larger sizes, 4/0 is the designated and code-approved size that balances both safety and efficiency for a 200 amp service. Choosing this size helps maintain the integrity of the electrical system while adhering to the necessary regulations.