ELC 014 – Electrical Power Supply to Industrial & Commercial Buildings

• Introduction to AC and DC, Resistance, Inductance, Capacitance.
• Standards and NEC code
• Health and Safety
• Circuit laws, Power and Power Factor,
• Power Factor Improvement
  • High and Low Voltage Distribution System

• Basic Electrical Power Utilization
• Systems
• Transformers
• Motors
• Storage Batteries
• Basic Devices and Equipment

(Fitting and Boxes, Receptacle

Outlets, Switches)

• Electric Conductors (WireInsulation, Wire Sizes,Ampacity,Reducing Voltage Drop)
• Making Wire Connections and Splice
• Outlet and Switch Boxes
• Wiring Method, Surface and Concealed Conduit, Trunking, Flexible Conduit
  • Distribution Board, Busbar Chamber

• Lighting and Illumination, Light Sources, Stroboscopic Effect, Calculation of Lighting Requirement
• Installation Circuits and Systems Lighting Layouts, Power Circuits, Space Heating
• Industrial Installations
• Multistorey Commercial and Domestic Installations
• Alarm System, Emergency system
• Off-peak supplies
• Residential Electrical Distribution
• Residential and Farm Motors
• Installing Service Entrance

•  Distribution system planning
• Types of substation
• Busbar schemes
• Quality power supply
• Basic types of circuit breakers
• Relays
• Feeder protection

• System and Neutral Grounding
• Grounding Methods
• Earth Electrode Resistance
• Earth fault loop impedance
• Residual Current device
• Bonding
• Types of Neutral Grounding, Solid,Resistance, Reactance, Peterson Coil Grounding

• Short Circuits, Fault Current Calculation
• Protection against Faults
• Overload Protection
• Fuses
• Miniature Circuit Breakers
• Discrimination
• Under-voltage Protection of Motors
• Protection against Direct and Indirect Contacts

• Design Procedure
• Design Current
• Setting of Protective Devices
• Correction Factors
• Choice of Cable size
• Voltage Drop
• Shock Risk