Study for exams with practice questions, detailed explanations, and NEC code references. Track progress with personalized stats. Practice for Journeyman, Master Electrician, or Contractor exams.
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.
Study for the ASE with practice questions aligned to exam objectives. Review detailed explanations for each answer. Track progress and identify weak areas to focus study efforts. Access comprehensive content to master required knowledge.
Connect with professionals and access learning content
Connect with professionals in the or HVAC/R industry. Access learning videos and articles. Track projects and share resources. Schedule meetings and join discussion forums.
Track magnetic fields and detect ferromagnetic metals
Detects magnetic fields and ferromagnetic metals using the iPhone's compass. Issues a warning beep when magnetic fields are present. Identifies devices emitting radio-frequency EMF such as plugs, cell phones, and routers.
Help robots complete chores like cleaning oil spills and organizing parts. Fix the control panel and mend circuits. Explore hidden interactive areas and find the hidden robot mouse.
Design and simulate electromechanical systems using relays, switches, buttons, contactors, timers, and motors. Create electrical diagrams, test circuit functionality, and analyze component interactions. Export simulation results and share designs.
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.
Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.
Prepare for the exam with practice tests covering electrical theory, NEC, and local codes. Answer multiple-choice questions, review explanations, and track progress. Access study materials and simulate exam conditions for effective preparation.
Learn mechanics with detailed guides on building doors, traps, and farms. Explore in-depth descriptions of items and circuit layouts. Access wiring techniques and accompanying images to craft contraptions across editions.