Terms of Service & Electrical Engineering Disclaimer

Last Updated: October 6, 2026

1. Electrical Engineering Disclaimer

The calculations and code references provided by this tool are based on the National Electrical Code (NEC / NFPA 70). They are designed solely for educational, reference, and preliminary planning purposes. They do not substitute for professional electrical engineering, on-site load calculations, or physical inspections by a licensed electrical contractor.

2. Local Municipal Authority Having Jurisdiction (AHJ)

Local electrical building codes vary widely by city, county, and state. Municipalities may adopt different editions of the NEC (such as 2017, 2020, 2023, or 2026) with specific local amendments. The Authority Having Jurisdiction (AHJ) has final legal approval over all electrical permits and installations.

3. Limitation of Liability

The creators and hosts of this website assume no liability for electrical fires, property damage, equipment failure, personal injury, code violations, or failed electrical inspections resulting from reliance on calculations generated by this tool.