Electrical Toolkit by HCP vs Electrical Load Calc NEC

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.

NEC residential electrical load calculator for electricians, contractors, and electrical engineers. Size electrical services with confidence using the NEC 220.82 Optional Method and updated NEC 2026 Article 120 demand factors. Works 100% offline on the job site. Enter dwelling square footage, pick appliances from presets, and get a permit-ready service-size recommendation in seconds - with a full step-by-step breakdown and NEC article references on every line. Switch between NEC 2023 and NEC 2026 instantly to see how the new rules change your load. LOAD CALCULATION FEATURES: - NEC 220.82 Optional Method for dwelling units - NEC 2026 Article 120 support (load calc sections renumbered 220.x to 120.x) - Toggle between NEC 2023 and NEC 2026 in one tap - Step-by-step breakdown with NEC article references per line - Heating and A/C per 220.82(C): A/C and heat pump compressor at 100%, supplemental heat at 65%, electric space heating at 65% (under 4 units) or 40% (4 or more units) - EVSE per edition: 2023 as general load per 220.57 and 220.82(B) with 7,200 VA minimum; 2026 at 100% per 120.82(D) - Service size from standard ratings: 100A, 125A, 150A, 200A, 225A, 300A, 400A, 600A - PASS/FAIL check against existing panel capacity - 29 common appliance presets with VA ratings - Custom appliance entry for any load - General lighting auto-calculated from square footage per 220.41 - Small appliance and laundry circuits added per 220.52 - HVAC non-coincident load handling (heating vs cooling) - EV charger support (Level 2: 32A, 40A, 48A) APPLIANCE PRESETS INCLUDED: - Electric range and oven (8,000-16,000 VA) - Clothes dryer (5,000-5,500 VA) - Water heater (4,500 VA) - Heat pump (2-5 ton) and central AC (2-5 ton) - Supplemental heat strips (5 kW, 10 kW) for heat pump systems - EV charger Level 2 (7,680-11,520 VA) - Dishwasher, disposal, microwave - Pool pump, hot tub, well pump - And more - or enter custom VA values PRO FEATURES (one-time purchase): - No ads - clean interface for professionals - Save calculation history by job or address - Export permit-ready PDF with full load breakdown - Dark theme support NEC 2026 UPDATES COVERED: - General lighting reduced to 2 VA/sq ft (was 3 VA/sq ft) - First tier demand reduced to 8,000 VA (was 10,000 VA) - EV chargers at 100% demand factor per 120.82(D) - Article 220 relocated to Article 120 (220.82 is now 120.82) HOW IT WORKS: 1. Enter dwelling square footage 2. Select NEC edition (2023 or 2026) 3. Add appliances from presets or custom entry 4. See total demand in amps with NEC article references 5. Get recommended service size instantly NEC ARTICLE REFERENCES: Every calculation line shows the exact NEC article reference (for example "NEC 220.82(B)" or "NEC 2026 120.82(D)"). Verify every step against the official NEC code book, build trust with inspectors, and prep for the electrical exam. PERFECT FOR: - Licensed electricians sizing residential services daily - Electrical apprentices studying for journeyman exams - Electrical contractors bidding residential and light commercial jobs - Electrical engineers and designers - Panel upgrade assessments - EV charger installation planning - New construction load calculations - Permit applications and plan review OFFLINE AND PRIVACY: - Works 100% offline - no internet needed on the job site - No account required - No data collection - your calculations stay on your device - Encrypted local storage for saved jobs Simplify residential load calculations on the job site.