Yes. Certain sockets have small pieces of cardboard between the screw and the wall of the socket. The cardboard is meant to insulate the socket and prevent the socket wall from becoming conductive. It also protects against heat issues, extending the life of the light fixture and bulb.
Articles in this section
- Light Bulb Buying Guide
- There is cardboard in my socket, is that supposed to be there?
- Are the shades sold with the fixtures?
- What is a fixture?
- What is a canopy?
- What is a fitter?
- How do I select a light fixture?
- How do I hang my pendants?
- How high should my light fixture hang above my dining table?
- How high above my kitchen island should fixtures hang?