A smart home electrical line should provide stable power for relays, sensors, cameras, modem and control equipment. Poor wiring can cause resets, overheating and failures.
The electrical panel, breakers, cables, sockets, load and separation of power and low-voltage lines should be reviewed. The system should be clear and labeled.
For cameras, relays, servers, modem and control equipment, a separate circuit and UPS can improve stability and make troubleshooting easier.
If relays get hot, breakers trip, cameras go offline or the modem restarts often, the panel, cable and load should be checked.