What are the necessary steps to install a 100A sub panel in a residential electrical system?

To install a 100A sub panel in a residential electrical system, follow these steps:

1. Turn off the main power supply to the house.
2. Determine the location for the sub panel and mount it securely.
3. Install a new circuit breaker in the main panel for the sub panel.
4. Run appropriate gauge wires from the main panel to the sub panel.
5. Connect the wires to the corresponding terminals in the sub panel.
6. Install and connect the grounding and bonding wires.
7. Securely close and cover the sub panel.
8. Turn on the main power supply and test the sub panel for proper functioning.