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. So…. What is a harp?!
Harps are flexible, often U-shaped parts that fit over a lamp’s light bulb, simultaneously protecting the bulb and providing the support or attachment piece for the lampshade. Most often, a harp’s base – the harp saddle – is attached to the lamp beneath the socket. The harp’s flexible arms are then mounted inside the saddle, the small caps on either side are slid down over the sides of the harp saddle, completing a rigid loop upon which shades, finials, and other decorative pieces can be mounted.
Harps are available in either regular or heavy duty weights. Our regular harps, which are available with either nickel or brass-plating, range in size from 4” to 15”, while our heavy duty harps, which are also available in nickel and brass plating, come in sizes from 7” and 15”.
Another harp style is the harp designed to fit inside the lip of a metal harp cup. Cup harps typically measure between 6” and 9”.
Remember though – first we select the ideal replacement lampshade for the lamp and then we select the harp size that will cause the lampshade to sit at the correct level on the lamp.
Choosing The Right Lampshade
Your lamp and its shade should match perfectly. If not, your lamp will not fully work for its purpose and will surely look awkward. To get the appropriate shade for your lamp, take time to measure your lamp harp and lamp base.
Lamp harps are components to which the lampstand is attached—at the same time, protecting the bulb. A lamp harp has two parts: a saddle and the harp itself. The saddle is fastened under the lamp socket. Meanwhile, the harp is the lightweight oval-shaped or U-shaped frame attached to the saddle at the lower end, extending upwards and around the bulb. Why is a lamp harp measurement important? The height of the shade that you should buy for your new lamp is relative to the height of your lamp harp. To measure lamp harp sizes, take a measuring tape or a ruler. Then, note how many inches it runs from the topmost part of the harp to the socket cap. Generally, the height of the lampshade should not exceed the measurement of the harp plus ½ inch, and should not be smaller than the lamp harp’s height minus ½ inch. For example, a lamp with a harp that is eight inches tall should have a lampshade whose height ranges from 8 ½ to 7 ½ inches.
We learned that to the height of a lamp shade, harp sizes are key. The lampshade’s bottom diameter, on the other hand, is relative to the measurement of the lamp’s height from the bottom of the base to the top of the lamp stem. You can use a measuring tape or ruler for this. Let us refer to this measurement as you lamp’s height. As a general rule, the lampshade’s diameter should be within two inches, plus or minus, the height of your lamp. For example, if your lamp is 16 inches tall, you should select a lampshade with diameter within the 14 to 18 inch-range.
Refurbish vintage table lamps with authentic parts for professional results. Table lamps are a common type lamp used in many areas in a home. These lamps are produced in a wide variety of sizes, shapes and materials. Most use a lamp harp to support the lamp shade. These lamps, which have a harp or 3/8″ diameter shade holder, use
These generalizations apply to many lamps however personal taste should be the guiding influence.
When looking for a new lampshade an exact match size may not be available. It is often possible to correctly use a shade that is slightly taller or shorter. To solve this issue change the harp, which holds the lamp shade. Harps are most often 2 part which enables the height portion of the harp to be easily switched. Choose a larger size harp if the shade needs to be raised up or a smaller harp if the shade needs to be lowered.
It is normally best to choose a slightly larger than smaller size shade when trying to select a shade that does not match your requirements exactly.
– I have a glass shade on my table lamp. Can I change from a glass shade to a fabric shade?
If you have a lamp with a #1 or a #2 or a #3 size brass collar, you can convert your lamp from fitting a glass shade to fitting a fabric shade using our adapters. First remove your lamp’s burner by gently screwing the burner counterclockwise until it comes off the collar.
Next measure the inside diameter of the collar. If it measures 7/8” inside diameter, you should have a #1 size collar. If it measures 1 3/ 16” inside diameter, you should have a #2 size collar. If it measures 1 ¾” inside diameter you should have a #3 size collar. All lamps with other size collar diameters cannot be converted to holding fabric shades by using adapters. If you have a #1 size collar (7/8” inside diameter) see adapters #30343, 30344, and 30345. If you have a #2 size collar (1 3/16” inside diameter) or a #3 size collar (1 ¾” inside diameter) see adapters #30346, 30347, and 30348.
Our electrified adapters come with a 9” length harp mounted for a fabric shade. They will screw into your lamp’s collar and allow you to mount a washer fitter fabric shade onto the top of the harp. (Please see information provided in “Frequently asked questions” for selecting a harp size (length) for your shade if you need a size other than 9” long.) For a #3 collar you will need to also order a #3 to #2 reducer to screw into your lamp’s #3 collar and the adapter’s #2 male collar.
How do you know what size harp for a lamp?
How do you measure for a lamp harp replacement?
What is a standard size harp?