Determine the correct circuit breaker size based on load current and NEC requirements.
Based on NEC 240.6 - Standard Ampere Ratings
Continuous loads require 125% of load current per NEC 210.20(A).
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For Reference Only: This calculator is provided for educational and informational purposes only. It is not intended to be a substitute for professional engineering design, advice, or certification.
Code Compliance: Calculations are based on the 2023 National Electrical Code (NEC®). However, local codes, amendments, and Authority Having Jurisdiction (AHJ) requirements vary by location and may supersede standard NEC requirements.
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NEC Reference: NEC 240.6 - Standard Ampere Ratings
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