Transfer switch with selectively configurable cover structure with power input and meter capability

A method of constructing a power transfer device for supplying power from a generator to the electrical system of a building, the method comprising the steps of:

• providing a cabinet having a compartment within which a power input connection arrangement is located, wherein the cabinet defines an open area providing access to the power input connection arrangement;
• equipping the cabinet with a shortened panel defining the open area, the panel including a plurality of switches electrically connected to the power input connection arrangement for controlling the supply of power from the power transfer device to the building electrical system;
• providing a series of cover sections, wherein each cover section includes closure structure which is dimensioned so as to define an area less than the open area defined by the cabinet and wherein the cover sections include a first cover section having a power input arrangement, a second cover section having a power input indicating arrangement and a third cover section having a blank wall;
• and
• mounting at least a pair of the cover sections to the cabinet over the compartment, wherein the pair of cover sections cooperate to close the open area to prevent access to the compartment.