ICC Residential Electrical Inspectors Practice Exam 2025 – The All-in-One Guide to Exam Success!

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What is the consequence of exceeding the maximum load permitted on a branch circuit?

It may enhance appliance performance

It could lead to electrical fires

Exceeding the maximum load permitted on a branch circuit poses a significant risk, primarily because it can cause overheating of the wiring. When the current exceeds the design capacity of the circuit, the wires can become excessively hot, which can ignite surrounding materials and lead to electrical fires. This risk underscores the importance of adhering to load calculations and ensuring that branch circuits are appropriately rated for the appliances and devices they serve. Protecting against overload conditions is critical not only for the safety of the wiring and devices but also for the overall safety of the structure and occupants. Proper circuit protection devices, like fuses and circuit breakers, are designed to prevent such hazardous conditions by disconnecting the circuit when the load exceeds safe limits.

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It reduces energy efficiency

It ensures better functionality

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