Installing a transfer switch is a relatively straightforward task. You install the switch upstream of the service entrance panel, which typi.y contains the main .Option . Fixture Between Two Three Way Switches Power Through Switch Light is controlled by two three way switches with the light between the switches and the power first going through a switch, then to the light, and onto the second three way switch..Seamlessly transfer contacts, p.os, music,s, messages, notes, calendars and more to your new Samsung Galaxy device. Download the app today..This circuit, Amp manual transfer switch kit includes everything needed to make a professional transfer switch installation in a home, office, or small business. It is completely pre wired and designed.