Duration: 5-8 Hours | |
Schedule: Online | |
Level: Beginner | |
Rs: 0 |
Objective
Topics covered are
Brief scope and contents of Australian Wiring Rules (AS/NZS 3000)
Selection and installation of electrical equipment and safety considerations
Selection and installation of wiring systems
Earthing and its importance in safety
Testing and verification
Functions of electrical insulation
Air as an insulator
Solid and liquid dielectrics
Insulation class and temperature ratings
Role of electrical protection
Calculating the demand of electrical systems for proper conductor sizing (as per AS/NZS 3000 Appendix – C)
The need for earthing of electrical systems
At the source (system earthing)
At the load (protective earthing)
Methods adopted for system earthing
Protective conductor
Equipotential bonding
Earth fault sensing methods
Calculation of earth fault current
Earth fault loop impedance
Limits of LV feeder lengths for proper earth fault detection (as per AS/NZS 3000 Appendix – B)
Definitions
Protection for safety
Design of an electrical installation
Selection of electrical equipment
Installation of electrical equipment
Arrangement of electrical installation
Control of electrical installation
Fault protection Protection against overcurrent
Additional protection by residual current devices Protection against overvoltage
Protection against under-voltage
Protection against fire hazards due to arcing faults
Switchboards
Types of wiring systems
Current-carrying capacity
Sizing of conductors
Voltage drop considerations in sizing
Installation
Enclosure of cables
Aerial wiring systems
Busbar trunking systems and rising mains
Earth sheath return systemProtection against thermal effects
Connection of electrical equipment
Earthing Functions
Earthing arrangements
Multiple Earthed Neutral (MEN)
Earthing of equipment
Equipotential Bonding
Earth fault loop impedance
Baths, showers, fixed containers
Pools, tubs
Fountains
Saunas
Locations containing baths, showers or other fixed water containers
Extra-low voltage electrical installations
High voltage electrical installations
Hazardous areas, emergency areas
Visual inspection
Testing