Apps Like Okonite for iPhone and iPad
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Showing 1–20 of 1,000 ranked alternatives.



2017 Master Electrician Ref.
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.


Electrical Code-A-Day
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.

Electric Toolkit - Calculator
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.

Building Wire Selector
Southwire Company
Select size and type for installations
Determines minimum conductor size and recommends and cable types based on installation requirements. Follows National Electrical Code® standards. Calculates ampacity and voltage drop. Supports various wiring methods and conductor materials.

Southwire® Voltage Drop Calc
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.


Ugly's Electrical 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.


Ohms Law Calc.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.

Southwire® Conduit Fill Calc
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.

Electrical Toolkit by HCP
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.

ElectriCalc Pro
Calculated Industries, Inc.
Calculate and document electrical work safely
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.

Franklin Electric AIM
Franklin Electric Co., Inc.
Calculate cable length and gauge
Access motor specifications by model number or rating. Calculate cable size for single or multiple submersible motor installations. Connect to technical resources and view helpful links to the AIM Manual website.



CE HVAC Pro+
Watsco, Inc.
Check warranty, order status, and tech specs
Check warranty details, inventory availability, order status, and technical manuals for products. Access tech specifications and order history. Receive support and track business growth tools.

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Apps are ranked by functional similarity, category fit, rating confidence, and popularity.