Electrical Calculations

Main calculations:
Conductor sizing, Conductor sizing and protective device coordination, Calculation of voltage drop, Calculation of current, Calculation of voltage, Calculation of active power, Calculation of apparent power, Calculation of reactive power, Calculation of power factor, Calculation of resistance, Calculation of impedance, Maximum wire length (ΔV), Maximum wire length (Isc), Current carrying capacity of insulated conductors, Current carrying capacity of bare / mineral-insulated conductors, Current carrying capacity of busbar, Conduit and cable tray sizing, Protective device sizing, Cable protection from short-circuit, Admissible specific energy of the cable (K²S²), Design current, Reactance, Impedance from resistance and reactance, Power factor correction, Power factor correction of MV/LV transformers, Capacitor power at a different voltage, Earthing system and coordination with residual current device, Short-circuit current at a specific point of the line, Short-circuit current with transformer substation, Minimum short-circuit current, Cable resistance, reactance and impedance, Calculation of the cable temperature, Power losses in cables, Neutral current, Voltage drop with distributed loads, Conductor sizing with distributed loads, Resistor color code, Inductor color code, Resistor colors from value, SMD resistor code, Capacitor code, Table of capacitor codes, Inductor alphanumeric code, Fuses (Marking, Cartridge, D-Types, NH, Automotive), Sum of resistors, Sum of capacitors, Resonant frequency, Voltage divider, Current divider, Zener diode as voltage stabilizer, Resistor to reduce voltage, Resistor for LED, Battery life, Primary/Secondary winding of transformer, Antenna length, CCTV hard disk and bandwidth sizing, Temperature sensors (PT/NI/CU, NTC, Thermocouples…), Analog signal values (Conversion between ranges), Joule effect, Risk assessment of overvoltages with atmospheric origin, Protection for emergency lighting lines.

Motor:
Motor current, Motor power, Motor voltage, Motor power factor, Motor efficiency, Motor from three-phase to single-phase, Single-phase motor run capacitor, Motor speed, Motor slip, Power / Maximum torque, Motor full-load current (NEC), 3-phase motor wiring diagram (6 terminals), 3-phase motor wiring diagram (9 terminals), 3-phase motor wiring diagram (12 terminals), Motor connections, Motor terminals marking, Insulation class of the motor.

Conversions:
Delta-star conversion, Power conversion, AWG conversion table, SWG conversion table, Imperial / metric conductor size comparison, Wire size conversion, Length conversion, Voltage conversion (RMS and peak values), sin/cos/tan/φ conversion, Energy conversion, Temperature conversion, Pressure conversion, Ah – kWh conversion, var / µF conversion, Gauss – Tesla conversion, RPM – rad/s – m/s conversion, Frequency / Angular speed conversion, Torque conversion, Byte conversion, Angle conversion.

Resources:
Fuse markings and application categories, UL/CSA fuse class, Standard resistor values, Tripping curves, Cable reactance table, Table of resistivity and conductivity, Table of voltage drop per unit length, Dimensions and weight of cables, Power distribution systems (TT, TN, IT), IP/IK/NEMA degrees of protection, Atex marking, Appliance classes, CCTV resolutions, Thermocouple color codes and data, ANSI standard device numbers, Device acronyms, Electrical symbols, Electricity around the world, Plug and socket types, IEC 60320 connectors, C-Form Sockets (IEC 60309), Nema connectors, EV charging plugs, Wiring color codes, SI Prefixes, Units of measurement, Pipe dimensions.

Pinout:
Ethernet wiring (RJ-45), Pinout Ethernet with PoE, RJ-9,11,14,25,48, Pinout Scart, Pinout USB, Pinout HDMI, Pinout VGA, Pinout DVI, Pinout RS-232, Pinout FireWire (IEEE1394), Pinout Molex, Pinout SATA, Pinout Apple Lightning, Pinout Apple Dock Connector, Pinout DisplayPort, Pinout PS/2, Fiber optic color code, Pinout LED, Pinout Raspberry Pi, Pinout ISO 10487 (Car audio), Pinout OBD II, Pinout XLR (Audio/DMX), Pinout MIDI, Pinout Jack, RCA color coding, Pinout Thunderbolt, Pinout SD Card, Pinout Sim Card, Pinout display LCD 16×2, Pinout IO-Link.

The app also contains a very useful formula collection.

Supported standards: IEC (International Electrotechnical Commission), CEI (Comitato Elettrotecnico Italiano), NEC (National Electrical Code), CEC (Canadian Electrical Code).