1. FAULT CURRENT
   • Overview
   • Balanced (symmetrical) fault currents
   • Unbalanced (unsymmetrical) fault currents
   • Overcurrent and earth-fault (OCEF)
   • Discrimination of protection relays

2. POWER FACTOR AND HARMONICS
   • Power factor capacitor
   • Harmonic blocking reactor

3. EXTRA LOW VOLTAGE(ELV)SYSTEMS
   • Home and building automation

Typical EIB line diagram for home and building automation.