Kopperfield vs Electrical Toolkit by HCP

Save time and money. Get ready for permits and projects with faster and easier design tools from Kopperfield, including load calcs, line diagrams, panel schedules, and more. Once logged into your Kopperfield account, you'll enjoy our: * Load calculator: Easy-to-use interface pre-loaded with common appliances and their standard output values from the National Electrical Code. Add information on the property and your calculation will automatically update. Supports both commercial and residential calculations, as well as the Standard (NEC Article 220 Part III), Optional (NEC Article 220 Part IV), and 2026 Standard (NEC Article 120 Part III) methods. * Single line diagram tool: Contains dozens of common templates and electrical symbols to make it easy to generate new diagrams and share them with your team. View diagrams from any device and create new templates on tablet or desktop for your whole team to use. * Panel schedules: Includes tools to complete panel schedules and create labels for electrical panels. Drag-and-drop interface makes it easy to arrange and customize circuits for both split-phase and three-phase projects. * NEC chatbot: Custom chatbot with advanced search capabilities to quickly reference specific sections of the 2017, 2020, or 2023 National Electrical Code. Includes the following features: * Fast PDF outputs: instantly generate a downloadable, one-page PDF report of your load calc, line diagram, or panel schedule to share with inspectors and customers * Smart property data: enter the property address and we’ll pull in the square footage for any customer project or electrical load calculation * AI panel photo processing: upload a photo of an electrical panel to automatically add items to your load calculation or panel schedule * Team dashboard: store your team's projects and documents in one place for easier management, access, and review *Single and three phase options: use a variety of nominal voltages for residential and commercial building types, including: 120/240V, 120/208V, 120/240V, 208Y/120V 3Ø, 240V 3Ø Delta, 240V 3Ø Hi-leg Delta, 347V 3Ø Delta, 480Y/277V 3Ø, 480V 3Ø Delta, 600Y/347Y 3Ø, 600V 3Ø Delta. * Standard scenarios: generate load calcs for scenarios including single family homes (standard and optional methods), multi dwelling units (i.e., duplex, triplex, quad), 120/208v (three-phase power) dwellings, accessory dwelling units and additions, commercial occupancy types, and heat pumps * Common appliance defaults: choose from a pre-loaded list of common appliances and standard output values that you can adjust for every load calculation * EV charger inputs: include EV charger values to any load calculation, essential for modern homes

Transform your electrical work with the most comprehensive mobile toolkit designed specifically for electricians and electrical professionals. This powerful app puts essential calculations, NEC-compliant tools, and field-tested utilities right in your pocket. Conduit Bending Mastery• Offset Calculator: Perfect bends every time with precise measurements • 90-Degree Bends: Calculate stub-ups, kicks, and compound angles • Three & Four-Point Saddles: Navigate obstacles with professional precision • Rolling Offsets: Master complex bends with step-by-step guidance • Conduit Dimensions: Complete reference tables for EMT and RMC NEC-Compliant Conduit Fill • Real-Time Compliance: Instant NEC code compliance checking • Multiple Conductor Types: THWN, THHN, XHHW, and more • Smart Calculations: Automatic derating and fill percentage calculations • Professional Reports: Generate detailed conduit fill reports Residential Load Calculator • Optional Method Calculations: Complete NEC Article 220 compliance • Equipment Database: Extensive library of common electrical equipment • Load Analysis: Detailed breakdown of general, heating, and cooling loads • PDF Reports: Professional load calculations you can share with inspectors Comprehensive Electrical Calculators • Power Conversions: Seamlessly convert between amps, volts, watts, kilowatts, horsepower, and KVA • Ohm's Law Calculator: Instantly solve for voltage, current, power, and resistance • Wire Sizing: Determine minimum wire size based on ampacity requirements with NEC compliance • Voltage Drop Calculator: Precise calculations for single and three-phase systems • Power Factor Calculator: Optimize electrical efficiency with accurate power factor calculations Professional Features • Recently Used Tools: Quick access to your most-used calculators • Offline Capable: All calculations work without internet connection • Clean Interface: Intuitive design that works with work gloves • Instant Results: No waiting - calculations update in real-time• PDF Reports: Professional load calculations you can share with inspectors • Professional Accuracy: Field-tested formulas trusted by thousands of electricians Perfect for: • Licensed Electricians • Electrical Contractors• Electrical Engineers • Apprentices and Students • Electrical Inspectors • Maintenance Technicians Built for speed. Designed for clarity. This app helps you save time, reduce mistakes, and get the job done right—whether you’re a seasoned pro or a new apprentice.