When installing a pendant light over a kitchen table or island the bottom of the light should be approximately 71 cm to 86 cm from the surface of your counter or table. However, this is just a guideline you want to make sure the light is not in the way for people while using the space nor do you want light glaring in your eyes. These pendants are height adjustable for flexibility to install at the optimal height for your application. When hanging a pendant over a floor you should provide at least 30.5 cm of clearance for people walking under the light. Gracie Oaks