A universal electrical installation system comprising: a fixing frame having; a top part; a bottom part configured to be engaged with the top part wherein the bottom part comprises provisions for terminal blocks (404, 502), the terminal blocks (404, 502) interface a load to the fixing frame, current carrying electrical rails housed within the fixing frame; termination points (208, 302) for connecting the current carrying electrical rails to a power source through pre-determined positions for live, neutral and earth connections, wherein the current carrying electrical rails are disposed along the entirety of the fixing frame in a manner that when an insert is engaged therein, one or more conductive elements of the insert is/are capable of interfacing with the said current carrying electrical rails in multiple positions, wherein the top part has provisions for fixation of the insert and the terminal blocks (404, 502) are capable of being attached or removed at any desired location within the provisions, wherein the termination points are insulated and sandwiched between the top part and the bottom part of the fixing frame, and characterized in that the provisions are placed in predefined locations which provide a channel to interface the conductive element of the insert, wherein the provisions are placed in a manner that the inserts can be engaged interchangeably at any location, and wherein the insert is snap-fitted into the fixing frame unit. a fixing frame having; a top part; a bottom part configured to be engaged with the top part wherein the bottom part comprises provisions for terminal blocks (404, 502), the terminal blocks (404, 502) interface a load to the fixing frame, current carrying electrical rails housed within the fixing frame; termination points (208, 302) for connecting the current carrying electrical rails to a power source through pre-determined positions for live, neutral and earth connections, a top part; a bottom part configured to be engaged with the top part wherein the bottom part comprises provisions for terminal blocks (404, 502), the terminal blocks (404, 502) interface a load to the fixing frame, current carrying electrical rails housed within the fixing frame; termination points (208, 302) for connecting the current carrying electrical rails to a power source through pre-determined positions for live, neutral and earth connections, wherein the current carrying electrical rails are disposed along the entirety of the fixing frame in a manner that when an insert is engaged therein, one or more conductive elements of the insert is/are capable of interfacing with the said current carrying electrical rails in multiple positions, wherein the top part has provisions for fixation of the insert and the terminal blocks (404, 502) are capable of being attached or removed at any desired location within the provisions, wherein the termination points are insulated and sandwiched between the top part and the bottom part of the fixing frame, and characterized in that the provisions are placed in predefined locations which provide a channel to interface the conductive element of the insert, wherein the provisions are placed in a manner that the inserts can be engaged interchangeably at any location, and wherein the insert is snap-fitted into the fixing frame unit.