Sparky's CircKit

The essential electrical app for professionals. From motor sizing to voltage drop calculations, get instant results with our electrical calculation tools designed for electricians, contractors, and engineers. Solve complex electrical problems quickly and stay code compliant.

ADVANCED CALCULATIONS

Motor sizing and protection calculators

Transformer sizing with protection specifications

Voltage drop calculator with wire derating

Pipe and box fill calculators

Installation assistant for project guidance

Pot-light spacing for optimal layouts

PROFESSIONAL REFERENCE LIBRARY

Wire/pipe trade size tables with drill sizes and metric equivalents

NEMA plug/receptacle configurations and enclosure ratings

Data pinout reference and phase color codes

Bonding sizing, burial depths, and strap spacing

Torque specifications and wire reel estimator

BUILT IN PRODUCTIVITY TOOLS

Integrated notes app accessible anywhere in the app

Calculator with fraction support for quick conversions

Unit converter spanning 14 categories

Code-of-the-day feature to keep code knowledge fresh, now with optional daily notifications

DESIGNED FOR PROFESSIONALS

Intuitive interface that works immediately without extensive setup. Clean, organized tools that electrical professionals can rely on for accurate, code-compliant results on every project.

Whether you're running conduit, sizing equipment, or planning installations, Sparky's CircKit provides the calculations and reference data you need to work efficiently and safely.