Toolkit for Electrician

Lumbini mines

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About this app

Toolkit for Electrician is the ultimate all-in-one electrical calculation, reference, and job management app designed for electricians, electrical engineers, technicians, contractors, and DIY enthusiasts.

Whether you need quick Ohm's law solutions, wire ampacity sizing, 3-phase power calculations, resistor color decoding, or digital job logs, Toolkit for Electrician provides accurate mathematical tools and references offline.

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KEY FEATURES:

OHM'S LAW CALCULATOR
• Calculate Voltage (V), Current (I), Resistance (R), and Power (P) automatically.
• Step-by-step formula breakdown and clear mathematical explanations.
• Input validation to prevent division-by-zero errors.

POWER & ENERGY CALCULATOR
• Single-Phase AC/DC and Three-Phase AC balanced power calculations.
• Computes Real Power (W), Apparent Power (VA), Reactive Power (VAR), and Power Factor.
• Energy consumption estimator (kWh) with custom electricity cost rate calculation.

WIRE SIZE & VOLTAGE DROP CALCULATOR
• Conductor sizing based on NEC Table 310.16 ampacity ratings.
• Calculates voltage drop in Volts and Percentage (%), voltage at load, and circular mil area.
• Supports Copper (Cu) and Aluminum (Al) conductors with 60°C, 75°C, and 90°C insulation ratings.
• Customizable max voltage drop limits (3% branch, 5% total).

RESISTOR COLOR CODE DECODER
• Decodes 4-band, 5-band, and 6-band resistors with real-time visual color band rendering.
• Instant resistance values (Ω, kΩ, MΩ), tolerance percentage, min-max resistance range, and temperature coefficient (ppm/K).

ELECTRICAL UNIT CONVERTER
• Seamlessly converts units across Power (W, kW, MW, HP, BTU/hr), Voltage (V, mV, kV), Current (A, mA, kA), Resistance (Ω, mΩ, kΩ, MΩ), and Energy (J, Wh, kWh, BTU).
• Instant unit swap and one-tap copy to clipboard.

ELECTRICAL JOB NOTES & MEASUREMENTS
• Create, edit, search, and organize job notes by category (Installation, Maintenance, Repair, Inspection, Measurements).
• Store customer contact info, job address, site notes, and measurement logs.
• Export job notes to CSV format or share text records with clients and team members.

CALCULATION HISTORY
• Automatically log previous calculations with timestamps.
• Search, revisit, copy, or export calculation logs to CSV.

ELECTRICAL REFERENCE GUIDE
• Quick searchable reference library covering Ohm's Law formulas, 3-phase AC formulas, standard electrical schematic symbols, NEC conductor ampacity tables, and troubleshooting guides.

⚙️ APP FEATURES
• 100% Offline Support – No internet connection required.
• Light, Dark, and System Default Theme support.
• Haptic feedback for tactile input confidence.
• Metric and Imperial unit preferences.

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⚠️ DISCLAIMER & SAFETY NOTICE:
Tolkit for Electrician is intended for reference and educational purposes only. Calculations are based on standard mathematical formulas and NEC reference tables under standard operating conditions. Reference calculations do NOT replace a licensed professional electrical assessment, local electrical codes, ambient temperature derating, or site-specific engineering analysis. Always consult local electrical codes and a qualified electrician before undertaking electrical work.