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.
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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.
Chuan Nguyen Van
Access wiring diagrams and technical docs
Access electrical wiring diagrams for car repair and study. View videos and technical documents for research. Update diagrams regularly for accurate information. Navigate through a library of resources with simple clicks.
Zachary Fisher
Calculate, estimate, and invoice jobs
Manage electrical jobs with time tracking and job invitations. Access NEC calculators for conduit fill, voltage drop, and motor calculations. Use NEC tables for code-compliant installations. View common schematics and generate estimates and invoices.
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.
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
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.
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.
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Calculated Industries, Inc.
Explore RV systems with diagrams
Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.
Whisker Labs, Inc.
Monitor power outages in real time
Monitor electrical systems for sparks and micro-arcs. Receive real-time alerts for power outages. Integrate with a sensor for fire prevention. Track electrical hazards and manage alerts within the .
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.
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.
Rostyslav Dovhaliuk
Search datasheets and calculate resistor values
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
Copeland LP
Access product specs and details anytime
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
V PUGAZHENTHI
Calculate based on voltage, current, distance,
Calculate based on voltage, current, distance, and voltage drop. Select units like AWG, mm, or inches. Choose material: copper, aluminum, or electrical steel. Ensure safe electrical installations for low voltage DC systems and residential AC wiring.
Southwire Company
Calculate wire pull characteristics and generate NEC®
The includes multiple calculators for electrical wire pull calculations. Users can input parameters for voltage drop, ground wire sizing, ampacity adjustments, and phase wire attributes. Results are generated according to NEC® standards.
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