Terms of Use

WiringCalc is provided free of charge as an estimating tool for trade users. By using it you agree to the terms below.

Results are estimates based on published dimension data and common fill rules. WiringCalc is not a code compliance certification, and results are not a substitute for the currently adopted electrical code, engineering judgment, or the requirements of your Authority Having Jurisdiction (AHJ). Always verify before installation and consult a licensed electrician where required.

The service is provided “as is” without warranties of any kind. To the fullest extent permitted by law, WiringCalc is not liable for decisions made or actions taken based on calculator output.