Electrical contents: Ohm's Law Resistors in series Resistors in parallel Capacitors in series Capacitors in parallel Power calculation Three-phases power calculation Star-delta transformation Delta-star transformation Resistors color codes Voltage divider Current divider Motor from three phases to single phase Thevenin's Theorem Norton's Theorem Kirchhoff's Voltage Law Basic knowledge: Current AC Voltage Resistance Capacitor Relay Transformer Self-restraint Circuit breaker ELCB Synchronous motor Asynchronous motor Dc Motors Contactors IP Protections Semiconductors Logic Gates Advanced Electrical: Wire Size - Voltage drop criteria Wire Size - Power loss criteria Power Factor Correction Power loss Maximum line length Voltage drop Fuses size Wire resistance Developer: Carlo Terracciano Content manager: Pietro Beccaria