WE WISH TO PUT A CEILING LIGHT IN OUR KITCHEN, BUT WE HAVE BEEN TOLD THAT WE DO NOT HAVE AN EARTH WIRE. BECAUSE ITS AN EXTENSION WE WOULD HAVE TO HAVE AN HOLE MADE IN THE CEILING TO HAVE IT DONE, THIS WOULD BE QUITE COSTLY. ALTERNATELY WE CAN HAVE AN INSULATING LIGHT, WE HAVE BEEN UNABLE TO...