This video covers the complete wiring process, safety tips, and how ATS switches work in a residential or small commercial setup. This ensures minimal voltage drop and straightforward conduit routing. It is therefore a system composed of circuit breakers, switch-disconnectors or contactors, that switches (fully or partly) and selects supply. Installing a transfer switch refers to the process of adding the necessary trigger to change your energy to generator power in the event of an electrical outage. Follow these steps for how to install a transfer switch. Perfect for electricians, electrical Learn how. The purpose of this method statement is to define the sequence and methodology for the installations of Automatic Transfer Switches and bypass-isolation switch ATS & BPS.