What’s New
Recent calculator, reference-data, reporting, support, and website improvements.
July 25, 2026
New conduit-capacity engineering article
Added a mathematical comparison explaining why one 4-inch EMT has more internal and 40%-fill area than four 2-inch EMT conduits.
July 25, 2026
Phase 3 engineering resources
Added NEC and BICSI context pages, dataset-generated conduit fill area tables, a resources hub, and the first engineering article.
July 25, 2026
SEO and site-information foundation
Added About, Contact, and FAQ pages; social-sharing metadata; WebSite and FAQ structured data; and improved internal navigation.
July 25, 2026
Protected support and feature requests
Added a support form with optional reply email, Formspree delivery, and Cloudflare Turnstile protection.
July 24, 2026
Expanded conduit and cable planning
Added multiple conduit families, telecommunications cable products, editable multi-conduit plans, compact cable rows, bend planning, and professional PDF/CSV reports.
Latest engineering article
Learn why conduit trade sizes cannot be added together to compare cable capacity.
Suggest the next improvement
Use the protected support form to request a cable product, conduit family, calculator, reference page, or workflow improvement.