Privacy Policy & Affiliate Disclosure

1. Amazon Associates Affiliate Disclosure

NECCalcHub.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. As an Amazon Associate I earn from qualifying purchases.

2. Information We Collect & Calculator Usage

All electrical and HVAC calculations on NECCalcHub.com run directly in your browser. We do not require user accounts or store your calculation inputs on our servers.

3. Cookies & Third-Party Advertising (Google AdSense)

Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads to users based on their visit to NECCalcHub.com and/or other sites on the Internet. Users may opt out of personalized advertising by visiting Google Ads Settings.

4. Engineering & Code Disclaimer

All calculators and reference tables on NECCalcHub.com are provided for informational and estimating purposes only. Always verify wire sizing, conduit fill, overcurrent protection, and ventilation requirements against the current edition of the National Electrical Code (NFPA 70), local amendments, and a licensed professional or Authority Having Jurisdiction (AHJ).