Engineering Peer Review & Inquiries

Contact & Code Corrections

We welcome peer review from master electricians, electrical engineers, licensed contractors, building inspectors, and vocational instructors. If you spot a formula edge case, local code variance, or want to suggest a new tool, reach out below.

Code Discrepancies & Bug Reports

Report potential discrepancies in NEC tables, formulas, or rounding logic.

Please include the specific calculator URL, input values, expected result, and cite the applicable NEC Edition (2020, 2023, 2026), Article, or Table.

corrections@protradecalculators.com

Tool Requests & Trade Features

Suggest new calculators or trade takeoff schedules for upcoming development.

Tell us what takeoff challenge or calculation slowdown you encounter most frequently on the jobsite or in the estimating trailer.

feedback@protradecalculators.com

General & Editorial Inquiries

Direct communication with our editorial and development maintainers.

Primary Email: contact@protradecalculators.com

Response Time: Typically within 24-48 business hours
Audits reviewed by certified engineering staff
Looking for validation protocols and code citations?Read our Calculation Methodology →