| Essential Question | Level of Thinking |
| What are the functions and differences between switchboards, load centers, and power panels? | |
| How is the current capacity of the internal bus determined? | |
| What is the purpose of spare breakers? How many spare breakers are typically provided? | |
IEEE Std 45.1 IEEE Recommended Practice for Electrical Installations on Shipboard--Design
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This work by Norbert Doerry is licensed under CC BY 4.0