switchboard and main upgrades in Rutherford A switchboard is a complex device consisting of varying connections that helps break down electric currents into smaller divisible circuits. It is often at the core of many electrical issues, and in many cases it’s best advised to upgrade the switchboard in order to handle your home’s or business’s electrical demands. We use advanced switchboards that can reliably handle the electricity demands of today, so that your switchboard will function reliably for years to come.