Showing 1–20 of 1,000 ranked alternatives.
Angel Martinez
Create with drag-and-drop symbols
Create one-line using standardized symbols. Select and drag symbols to arrange . Includes IEC and ANSI symbols for engineering. Add circuit breakers, switches, fuses, and other components. Save and export .
PawEng, LLC
Answer daily questions and track your progress
Test knowledge of codes with daily quiz questions. Answer individual questions or complete as many as possible in one session. Includes 366 basic electrician-written questions for apprentices, journeymen, and masters.
Shota Abe
Search , copy names, explore categories
Search SF by name or category. Find related and copy symbol names. View in multiple colors. Organize into categories for easy access.
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
MobilePioneers
Send fun and emoji texts
Send custom and emojis to friends. Access over 500 unique not found on standard devices. Copy to clipboard or share via text, email, and other messaging apps. Create custom combinations for messages.
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
Hive 5 Studio DOO
Type with customizable
Symbol allows users to access special characters and fancy fonts for typing. It offers customizable themes and backgrounds. Users can design their and apply unique styles. It works across various apps like Instagram, WhatsApp, and Snapchat.
TrothMatrix OPC Private Limited
Calculate voltage, current, resistance, and power
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Dynamic Apps & Games LLC
Type with custom fonts and styles
Customize keyboard appearance with unique fonts and themes. Create personalized styles. Share custom fonts with friends. Edit messages with creative options. Change keyboard layout and design to reflect individual style.
Ashvin Kevadiya
Learn circuits, design wiring, and test systems
Learn theory with interactive lessons on voltage, current, resistance, and Ohm’s law. Explore detailed wiring diagrams and circuit schematics. Use built-in to calculate loads, analyze circuits, and simulate real-world wiring scenarios.
Calc Hub, LLC
Calculate voltage, current, and power
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
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