Installing a battery operated wall sconces with remote in existing plaster requires the use of an electric box. The electrical box can be attached to an existing wall stud or plaster. You will need to connect the wall lamp or fixture to the electrical box. This can be done by first determining where the wall light will be placed on the wall, and then obtaining the materials needed for the project. Instructions Decide on the wall that you want to mount the wall sconces with remote. Find a stud in the wall with a rule detector. Mark the location of the pin with a pen….