The best way to connect solar panels to your electrical system depends on what kind of electrical system you have. If you have a grid-tied system, then you can simply connect the solar panels to the grid through a breaker in your electrical panel. If you have an off-grid system, then you'll need to install a battery bank and charge controller in order to store the energy from the solar panels.

The best way to connect solar panels to your electrical system is by using an inverter. An inverter will convert the DC (direct current) power produced by the solar panels into AC (alternating current) power, which is what your electrical system uses. You can either use a standalone inverter or an inverter that's integrated into your home's electrical panel. If you're going to be using a standalone inverter, you'll need to run some cables from the solar panels to the inverter. The cables will need to be thick enough to carry the high voltage and current that comes from the solar panels.