ICC Residential Electrical Inspectors Practice Exam

For a circuit serving household laundry appliances, what is the minimum demand load per circuit?

1. 1200VA

2. 1500VA

3. 2000VA

4. 1800VA

The correct answer is: 1500VA

The minimum demand load for a circuit serving household laundry appliances is set at 1500VA. This requirement is specified to ensure that the circuit can handle the electrical load generated by common laundry equipment, such as washing machines and dryers. Using 1500VA allows for adequate capacity to cover the power consumption of these appliances while also accommodating potential fluctuations in load that might occur during operation. This threshold helps prevent overloading the circuit, which can lead to circuit breaker trips or wiring overheating, thus improving safety and reliability in household electrical systems. The choice of this value aligns with safety codes and standards that prioritize both efficient operation and protection for residential electrical systems. It serves as a practical guideline for installers and inspectors to design circuits that can reliably support typical appliance loads without risk of failure.