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What size lamp harp do I need? So for a 6-inch lamp base, the shade should be at least 12 inches wide. And if the total height of the lamp (including the bulb and harp ) is 24 inches, the shade should be 8 inches tall.


How to Measure a Lamp Shade Start by removing the lamp shade from the lamp to make it easier to measure. Place a measuring tape across the top of the lamp shade, from edge to edge and as close to center as possible, to find the top diameter.


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Learning about Lamp Harps Harps are a critical piece of hardware for fitting a lampshade to a lamp; select the right size harp and the shade will fit the lamp perfectly; too tall a harp and the socket is exposed; too short a harp, and the top part of the lamp is hidden.


Lamp Harp Sizes. Lampshade harps come in many sizes, often every inch. Choosing the correct size harp is very important in getting a perfect fit. Your harp will have a number stamped on the top flat surface. If yours says 7, then it is a 7” harp. If you need your shade to be higher, then look for an 8” or 9” harp.


Measure a lamp's harp from the top of the harp to the bottom of the bulb socket. For the best fit, match the harp measurement with the measurement of a replacement shade. The harp size is just one measurement to consider when replacing a lamp shade.


So for a 6-inch lamp base, the shade should be at least 12 inches wide. And if the total height of the lamp (including the bulb and harp) is 24 inches, the shade should be 8 inches tall.


If your lamp already has a harp, but you’ve determined that it’s the wrong size, you can always replace it with a harp that will fit your measurements. We have a collection of lamp harps available in our store that might work better with your lamp and lampshade. 2. The style of your lamp base.


If the lamp has a clip-on lamp shade fitter, you can simply pull it off the light bulb. Be gentle, though, to avoid damaging the bulb. If the lamp has a spider lamp fitter with a lamp harp, unscrew the finial that holds the shade onto the harp and then lift the shade off.


Spider fittings are the most common type of fitting for table and floor lamps and are used with harps. The harp attaches to the lamp base, and the spider fitting sits on top of the harp and is often secured with a finial that screws onto the top of the harp. Lamps often come with the correct harp included. Uno Fittings: