I am doing Electrical Engineering designs. Designs will comply with the international standards, such as IEC, BS, AS, NFPA, etc.
I am designing the following typical systems for high-rise building, hotel, resort, factory, etc.

1 The Electrical system, including:
• Power distribution
• Emergency backups
• Surge protection
• Lighting and Sound
2 The Lightning protection system
3 The Earthing system
4 The Auxiliary systems Extra Low Voltage systems, such as:
• Communication systems telephone system, computer system, etc.
• Security system
• Access control system
• Camera system
• PA Public address system
• Fire alarm system, etc.