Showing 1–20 of 1,000 ranked alternatives.
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.
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.
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.
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.
Arismendi Hernandez
Select wires, get conduit size
Calculate conduit trade size based on wire sizes and NEC 2023 standards. Input up to five wire sizes to determine minimum required conduit size. Verify code compliance for electrical installations.
Cyberprodigy LLC
Calculate bends, mark measurements, track progress
Calculate bends with step-by-step guidance for offset and rolling offset types. Input measurements to determine bend angles and lengths. Include diagrams for visual reference. Export bend data for use in installations.
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.
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.
Ginger Labs, Inc.
Take , record audio, and organize ideas
Take handwritten or typed with digital ink and text tools. Annotate PDFs, textbooks, slides, and images. Record audio and combine with sketches, diagrams, and highlights. Search and organize content for easy retrieval.
Eknath Kadam
Test, learn, and reference standards
Access and review over 580 test questions with answers and detailed explanations. Study the latest IET 18th Edition with 2022 Amendment (BS 7671:2018+A2:2022). Track progress and revise key topics related to electrical standards.
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.
Webrich Software Limited
Study NEC codes and prepare for exams
Study for NEC certification exams with practice tests, code references, and updates on 2023 NEC Code and 2024 changes. Track progress, review key concepts, and prepare for exams including F16, F17, G17, T17, and residential tests.
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.
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