Electrical 3D Interactive Lab

Version 2.0: NEC 2023 Article Browser, Residential Inspection Checklist, Wire Sizing Suite, and What's New walkthrough — all new in this update.

ElectricalHouse 3D is an interactive 3D visualization and reference app for electricians, electrical inspectors, students, and homeowners. Explore a fully wired residential house in 3D — tap any component to instantly see its NEC code reference, wire gauge, protection type, and real-world function. VERSION 2.0 ADDS FOUR MAJOR NEW FEATURES NEC CODE REFERENCE Browse the complete NEC 2023 by chapter and article. Search across all articles by keyword, tap any article to see key requirements and code section summaries, and bookmark your most-used references for instant access. Covers Articles 90 through 760 — from definitions and grounding to solar PV and fire alarm wiring. INSPECTION CHECKLIST A professional-grade pass/fail inspection checklist covering six categories: Service Entrance, Panel and Breakers, Branch Circuits, GFCI/AFCI Protection, Grounding, and Outlets and Devices. Each item is tied to its NEC section. Mark items pass, fail, or N/A, add notes to failed items, track your live score, and generate a summary report showing all failed items with their code references. WIRE SIZING SUITE Four calculators in one tool — Ampacity (NEC Table 310.15, with adjustment factors for bundled conductors), Voltage Drop (single- and three-phase, with NEC 210.19 guidance), Conduit Fill (EMT/IMC/RMC with NEC Chapter 9 limits), and Box Fill (conductor, device, and clamp counting per NEC 314.16). Results update in real time as you adjust inputs. WHAT'S NEW WALKTHROUGH A guided first-launch screen introduces every new feature so users know exactly what has been added and where to find it. CORE 3D FEATURES

Interactive 3D house with transparent walls, hidden roof, animated current flow Tap any component — outlets, switches, breakers, wires, fixtures — to see NEC reference and wire details Circuit filter bar to isolate Service Entrance, Panel, Kitchen, Bedroom, Bathroom, Living Room, and Grounding systems Panel Schedule showing all 10 circuits with amperage, wire gauge, and NEC reference Floor Plan view with room layout and circuit paths Riser Diagram showing service to panel to branch circuits

LEARNING HUB — 7 INTERACTIVE TOOLS

NEC Quiz: 20 questions across 5 categories with score tracking Fault Simulator: trip breakers, simulate overloads, AFCI nuisance trips, and ground faults Guided Tours: four narrated tours from service entrance to receptacle Wire Sizing Suite: ampacity, voltage drop, conduit fill, box fill (new in v2.0) Load Calculator: add appliances and watch circuits load up in real time Violation Finder: spot common NEC installation violations with code references Glossary: 42 NEC terms with plain-English definitions

DESIGNED FOR

Electricians preparing for journeyman or master exams Electrical inspectors doing residential inspections Electrical students learning residential wiring Homeowners and contractors understanding their electrical system

Supports iPhone and iPad. Dark mode. Portrait and landscape.