Apps Like InstElectric Pro - Electricity for iPhone and iPad
Calculate cable sizes and circuit dimensions
Calculate electrical circuits with tools for cable sizing, including phase, neutral, and protective conductors. Use criteria based on current capacity, voltage drop, and overcurrent protection.
by Angel Martinez★ 3.01 ratingsProductivity$4.99Data updated 2026-09-06
Lineworkers can access detailed guides on transformers, rigging, and knots. The includes rope capacity charts and how-to visuals. Users can calculate load angle factors, gin loading, and guy formulas.
Calculate voltage, current, and power in 3-phase delta and wye circuits. Determine conductor ampacity using NEC and CEC tables. Compute voltage drop based on length, size, current, and temperature.
Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
Provides calculators for circuit design and load calculations. Includes safety references for UK electrical standards and BS 7671. Features checklists for installation and inspection tasks.
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Calculate current, phase voltage, efficiency, and regulation at different loads and power factors. Convert SI units for speed, force, power, area, pressure, volume, temperature, and weight. Determine ship dates using weeks after order.
Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.
Calculate values using Ohm’s Law with inputs for voltage, current, and resistance. Determine power with formulas for watts, amps, and volts. Convert between units like volts, amps, and kilowatts. Store frequently used values for quick access.
Calculate to determine maximum circuit distance and minimum conductor size. Input parameters to find required conductor size, actual loss, maximum allowable loss, and maximum amps. Use NEC® table T310.15 (B) (16) 75°C ratings for amperage values.
Calculate current in parallel circuits, voltage in series circuits, and resistance in both series and parallel configurations. Use Ohm's Law, DC calculations, and LR filter tools.