Calculate transformers on the fly
Allows users to perform electrical calculations for sizing, overcurrent, wire, and conduit. It supports 2017 NEC and 2021 CEC codes for US and Canada.
Showing 21–40 of 1,000 ranked alternatives.
V PUGAZHENTHI
Calculate values instantly
Perform calculations including resistor color code analysis, transformer voltage and current computations, and voltage, current, resistance, and power determinations. Include upgraded voltage drop calculations compliant with NEC/IEEE standards.
Codefied Inc.
Calculate conduit bends and offsets
Calculate conduit bends with offset and 90-degree tools. Determine stub-ups, kicks, and compound angles. Create three and four-point saddles for obstacle navigation. Access NEC-compliant calculations and field-tested utilities for work.
Cyberprodigy LLC
Wire diagrams, pinouts, calculate electricity
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
Logan Cox
Troubleshoot circuits and size wires
Provides electrical calculations and references for wire sizing, circuit troubleshooting, and NEC code lookups. Users can ask specific questions, receive instant answers, and access code references.
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.
V PUGAZHENTHI
Calculate currents and determine type
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.
SuperDG Inc.
Calculate, edit, and track entries
Perform arithmetic operations with a simple interface. View current calculations and track history. Supports universal device compatibility. No advanced or engineering functions included.
Melchisedec Martinez Rodriguez
Calculate wire size and NEC® standards
Perform electrical calculations including wire size, voltage drop, and conduit sizing. Customize material and temperature settings. Access NEC® 2023 tables, FAQs, and searchable articles. Calculate ampacity and use Ohm's Law.
PawEng, LLC
Electrician's pocket reference guide calculations.
The app provides an electronic pocket reference guide for electrical professionals. It includes sections on motors, wiring, ampacities, grounding, voltage drop, conduit bending, tools, and safety.
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.
Cider Software LLC
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Wassim Murr
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Navien, Inc.
Size systems, calculate costs, generate specs
Calculate heating system requirements for residential and commercial applications. Input system data to determine sizing and operating costs. Generate detailed reports for job specifications and energy savings analysis.
Southwire Company
Calculate size and percentage
Calculate percentage and jam probability based on NEC standards. Input type, size, and conductor details. View percentages and determine appropriate sizes for electrical installations.
Francisco Alcala
Conduit fill calculator for electricians.
The app calculates conduit size based on selected wires, pipe material, and fill percentage. It supports standard wire types and allows users to save and load calculations.
V PUGAZHENTHI
Calculate box fill, fill, and wire volume
Calculate box fill, fill, and wire volume according to NEC standards. Input device counts, equipment grounding, and internal clamps. Access common box sizes and types for accurate volume calculations.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.