What are the necessary steps for properly connecting a hot water tank to ensure safe and efficient operation?

To properly connect a hot water tank for safe and efficient operation, follow these steps:

1. Turn off the power and water supply to the tank.
2. Connect the hot water outlet pipe to the tank.
3. Connect the cold water inlet pipe to the tank.
4. Install a pressure relief valve to prevent over-pressurization.
5. Turn on the water supply and check for leaks.
6. Turn on the power and set the temperature to a safe level.
7. Regularly maintain and inspect the tank for optimal performance.