Electrical Design Residential

Three New Tools Dashboard Home Screen — This app now opens to a Dashboard tab with a Quick Service Estimator (enter square footage for a rough service size), a rotating NEC tip card, and a common circuit quick-reference list visible on every launch. Wire Sizing Reference — A new Wire Ref tab with NEC Table 310.16 ampacity values for every conductor gauge in copper and aluminum at 60°C, 75°C, and 90°C; temperature correction factors; bundling derating; and conduit size guidance — all searchable. NEC Code Reference Library — A new NEC Ref tab with 10 expandable NEC 2023 articles (210, 220, 225, 230, 240, 250, 310, 314, 334, 430), plain-language summaries, key requirements, and category filters — fully searchable. The core NEC Article 220 load calculator, panel layout, circuit schedule, conductor sizing, and PDF export are unchanged.