Calculate conduit size per National Code.
The app calculates minimum conduit size per National Electrical Code. It supports multiple code years, conductor types, and insulation options, providing results for total area, nipple size, and minimum conduit size.
Showing 1–20 of 1,000 ranked alternatives.
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.
Prysmian S.p.A.
Calculate and conductor size
Calculate to determine maximum circuit distance and minimum conductor size. Input parameters to find required conductor size, actual loss, maximum allowable loss, and maximum amps. Use NEC® table T310.15 (B) (16) 75°C ratings for amperage values.
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.
Kevin Phillips
Verify wire and conduit sizes based
Single Line Diagram helps electrical professionals verify wire and conduit sizes based on load selections. It uses NEC standards to provide minimum requirements. Users can check sizing for designs or installations and validate against code.
Prysmian S.p.A.
Calculate conductor ampacities quickly and easily.
The app calculates conductor ampacities based on NEC® code selections for 2011, 2014, and 2017. It allows users to choose metric or standard conductors, copper or aluminum material, and temperature ratings of 60°C, 75°C, and 90°C.
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.
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.
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.
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.
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.
Cerro Wire LLC
Calculate conduit size for copper and aluminum
Calculate conduit size for copper and aluminum building wire based on NEC standards. Determine maximum conductors in a raceway or required raceway size for given conductor types and sizes.
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.
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.
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.
Sam Virgillo
Calculate voltage, current, and power
Calculate voltage, current, and power in 3-phase delta and wye circuits. Determine conductor ampacity using NEC and CEC tables. Compute voltage drop based on length, size, current, and temperature.
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.
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