Patent ID: 8702437

Claim:
An electrical adapter system, comprising: an electrical adapter, comprising: an Edison screw base configured to receive a primary voltage from a voltage source; a voltage converter circuit configured to convert the primary voltage to a secondary voltage; and one of a first electrical connector part configured to be detachably coupled to one of a second electrical connector part of an electrical fixture configured to be powered by the secondary voltage; and at least one stackable electrical adapter configured to be placed between said electrical adapter and said electrical fixture, each said stackable electrical adapter of said at least one stackable electrical adapter having one of said first electrical connector part that is located on a first side and having one of said second electrical connector part that is located on a second side that is opposite said first side, each said first electrical connector part and each said second electrical connector part comprising: a first contact portion for providing said secondary voltage; a second contact portion for providing a ground; and a third contact portion for providing a data signal, said first, second, and third contact portions of each said first electrical connector part being configured to provide an electrical connection with said first, second, and third contact portions of each said second electrical connector part enabling daisy-chaining of multiple stackable electrical adapters between said electrical adapter and said electrical fixture.