US Patent 7137728 Lamp keying system

Provided are exemplary embodiments of a system and method for allowing predetermined and/or preconfigured lamp assemblies to be utilized with lamp fixtures. The exemplary embodiments may include a fixture assembly, a key configured to couple to the lamp fixture, and a lamp assembly including a base with a receiving structure, wherein the receiving structure is configured to engage the key, such that only predetermined lamp assemblies may couple to the fixture assembly.