Select a country to view accurate codes specific to its electrical standards. Identify circuit colors for safe wiring. Access detailed guidelines for international compliance. Save and share configurations for future reference.
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.
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.
A animation automatically starts when a device is connected to a data line or wireless panel and displays a animation. It stops when the connection is removed. The calibrates percentage data for accurate display.
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.
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.
Complete electrical calculation tool for professionals.
The app provides over 100 electrical formulas for calculations and conversions. Users can save, print, or email results and access frequently used formulas.
Explore aircraft systems with interactive for the 737 NG. Manipulate components to observe system responses. Simulate emergencies and apply checklists to resolve issues.
Create and view diagrams such as venn diagrams, flowcharts, mind maps, and org charts. Collaborate in real-time, comment on diagrams, and share links. Export diagrams in multiple formats and integrate with cloud storage.
Access NEC code sections for electrical installations. Search by topic or keyword. View diagrams and tables. Save and annotate code excerpts. Share references via email or messaging.
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.
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.