VIDEOClick to see full answer. Also, how do I change a lamp shade? How to Change a Lampshade Unplug your lamp at the electrical outlet. Remove the current shade and harp by unscrewing the finial, removing the shade, and squeezing the harp out of the saddle. Squeeze the new harp into the saddle. Add your new shade and screw on the finial to secure it. Also Know, what are the different lamp shade fittings? There are three basic types of lamp shade fittings: spider fittings, uno fittings, and clip-on fittings: Spider Fittings: Spider fittings are the most common type of fitting for table and floor lamps and are used with harps. People also ask, how do you measure for a new lamp shade? To choose the right lamp shade width, measure your lamp base and multiply by two. For a round base, measure straight across; measure diagonally for a square base. The widest part of your shade should be at least a half-inch wider than the widest part of your base on each side.How do you get a lamp shade off?Turn off the light switch and unscrew the light bulb from the fixture. Locate the three mounting screws above the shade that secure the shade or globe to the fixture. Hold the shade with one hand and loosen each of the three screws with a screwdriver or pair of pliers until the shade comes free from the fixture.