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

To install a 100-amp subpanel in a residential electrical system, follow these steps:

1. Obtain necessary permits and consult local building codes.
2. Turn off the main power supply to the house.
3. Install the subpanel in a suitable location, ensuring proper grounding.
4. Connect the subpanel to the main panel using appropriate wiring and conduit.
5. Install circuit breakers in the subpanel for each circuit.
6. Connect the circuits from the main panel to the subpanel.
7. Test the subpanel to ensure it is functioning correctly.
8. Have the installation inspected by a qualified electrician before restoring power.