Disclaimer of Engineering Liability & Terms of Use
Effective Date: August 24, 2026
1 No Professional-Client Relationship
Use of this website, its calculators, interactive visuals, and accompanying reference materials does not create an engineer-client, contractor-client, or advisory relationship.
2 Helper Tool & Educational Use Only
All calculators and algorithms are provided as assistive reference aids. They are not intended as a substitute for the professional judgment, analysis, and formal review of a licensed Professional Engineer (PE) or qualified trade professional.
3 No Warranty / "As-Is"
While reasonable efforts are made to keep formulas aligned with standard engineering literature, tools are provided on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind, express or implied, including fitness for a particular electrical installation or commercial purpose.
4 Assumption of Risk & Limitation of Liability
The user assumes all risk and responsibility for the use and interpretation of any calculation results. In no event shall the website creators, contributors, or hosts be liable for any direct, indirect, incidental, special, or consequential damages, code compliance penalties, property damage, equipment failure, or personal injury arising out of or in connection with the use of these tools.
5 Third-Party Trademarks & Non-Affiliation Notice
National Electrical Code® and NEC® are registered trademarks of the National Fire Protection Association, Inc. (NFPA), Quincy, MA. CalcWorkBench is an independent educational reference aid and is not affiliated with, sponsored by, or endorsed by the NFPA. Any references to industry standards, code sections, or trade specifications are made solely for nominative educational and informational identification purposes.