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.