A commercial building requires a backup generator to supply power to critical loads during an outage. The total load is 200kW. What is the minimum size of the generator required, according to Article 700.6 of the 2026 NEC?

Texas Master exam practice question · Motors & Generators

A commercial building requires a backup generator to supply power to critical loads during an outage. The total load is 200kW. What is the minimum size of the generator required, according to Article 700.6 of the 2026 NEC?

A150kW
B200kW
250kW
D300kW

Exam tip

Remember to size generators at 125% of the total load to ensure sufficient capacity.

Why C is correct

Article 700.6 of the 2026 NEC requires a generator to be sized at 125% of the total load. Therefore, the minimum size of the generator required is 250kW (200kW x 1.25). The correct answer is option C.

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A commercial building requires a backup generator to supply power to critical loads during an outage. The total load is 200kW. What is the minimum size of the generator required, according to Article 700.6 of the 2026 NEC?

A commercial building requires a backup generator to supply power to critical loads during an outage. The total load is 200kW. What is the minimum size of the generator required, according to Article 700.6 of the 2026 NEC?

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