Electrical Engineering vs Commercial Electrical Designer

Unlock the Power of Electrical Calculations! Access 60 Electrical Calculators, 16 Electrical Converters, and comprehensive formulas with multiple units as an in-app purchase. Key Features: • Voltage Calculator • Current Calculator • Resistance Calculator • Power Calculator • (Includes Voltage Drop Calculator - NEW!) • kVA to Amps (Single Phase & Three Phase) • Amps to kVA (Single Phase & Three Phase) • Single Phase & Three Phase Power Calculators • Horsepower Calculators (DC, Single Phase, Three Phase) • Efficiency Calculators (DC, Single Phase, Three Phase) • Power Factor Calculators (Single Phase & Three Phase) • Luminous Intensity and Flux Calculators • Energy Storage Calculators (Resistance, Inductance, Capacitance) • Star to Delta & Delta to Star Conversions • Reactance Calculators (Inductive & Capacitive) • Resonant Frequency, Inductor & Capacitor Sizing Equations • Series and Parallel Resistance, Inductance, and Capacitance Calculators • Unknown Resistance and Capacitance Calculations • Neutral Current for 3-Phase Unbalanced Loads • Characteristic Impedance Calculations (Parallel & Coaxial) • Transformer Calculator • Voltage Divider & RMS Calculations ...and much more! Why Choose This App? Whether your input is in amps or milliamps, volts or kilovolts, or watts or kilowatts, the App seamlessly handles diverse units and provides precise results with multiple unit options. Perfect for professionals and students alike! Electrical Converters • Field Strength Converter • Electrical Potential Converter • Resistance and Resistivity Converters • Conductance and Conductivity Converters • Capacitance and Inductance Converters • Charge Converters: Handles conversions for electrical charge, including: • Linear Charge Density • Surface Charge Density • Volume Charge Density • Linear Current Density • Surface Current Density • Power Converter

This app is a visual reference and calculation tool for electrical engineers, designers, electricians, and students working on commercial building projects. Built around a real-world commercial strip mall, this app puts professional electrical illustrations, NEC code look-up, interactive calculators, step-by-step design calculation guides, a project checklist, and an electrical glossary in one place — offline, on iPhone and iPad. BROWSE — ILLUSTRATED DRAWINGS 23 professional illustrations in 8 design categories: Floor Plans & Key Plans — dimensioned tenant layouts and color-coded key plans Electrical Plans — device plans with lighting, receptacles, switches, and panels Wiring Layouts — branch circuit home runs and wiring path diagrams Electrical Symbols & Legend — full device symbol reference Panelboard Schedules — 200A, 208Y/120V, 3-phase schedules for Shops A, B, C, and the Building 2 main distribution panel Panelboard Load Worksheets — conductor sizing tables with OCPD ratings and wire sizes per circuit Feeder Load Calculation Worksheets — NEC Article 220 calculations for each tenant and the building main Conductor & Conduit Sizing Steps — step-by-step sizing sheets for phase, neutral, and grounding conductors Pinch to zoom up to 6× on any illustration. Swipe between images in the same category. Save any illustration to Favorites for fast retrieval. NEC REFERENCE Searchable, expandable code cards for the articles most relevant to commercial design: Article 210 (Branch Circuits), 215 (Feeders), 220 (Calculations), 230 (Services), 240 (Overcurrent Protection), 250 (Grounding and Bonding), 310 (Conductors), and 408 (Panelboards). CALCULATORS Ten interactive calculators covering the full commercial design workflow: Branch Circuit Load, Feeder Load, Voltage Drop, Wire Sizing, Conduit Fill, Panel Load Balance, Demand Factor, Short Circuit Current, Power Factor Correction, and Service Size. DESIGN CALCULATIONS Seven step-by-step calculation modules with NEC references, formulas, and worked examples: Branch Circuit Load Worksheet, Feeder Load Calculation, Phase Conductor Sizing, Neutral Conductor Sizing, Equipment Grounding Conductor, Conduit Fill & Trade Size, and Panelboard Load & Phase Balancing — including a full Building 2 Panel L1 worked example. PROJECT CHECKLIST (NEW IN 1.1) A phase-by-phase checklist covering the full commercial electrical project workflow — Pre-Design, Load Calculations, Conductor Sizing, Panelboard Design, Drawing Set, Permit & Approval, and Final Inspection. Each item includes the applicable NEC reference. Progress is tracked automatically and saved between sessions. ELECTRICAL GLOSSARY (NEW IN 1.1) 55+ NEC and electrical engineering terms with plain-language definitions and code references — alphabetically indexed and fully searchable. Covers key terms including Ampacity, Branch Circuit, Continuous Load, Demand Factor, EGC, Feeder, FLA, GFCI, AFCI, OCPD, Power Factor, Service Entrance, Unit Load, Voltage Drop, and more. FOR iPHONE AND iPAD Fully responsive layout adapts to any screen size and orientation. All content is available offline — no subscription or account required. Ideal for electrical engineering students, practicing engineers, electrical designers, contractors, and inspection professionals working with NEC-based commercial electrical systems.