An electrical system includes an electrical adapter and a stackable electrical adapter. The electrical adapter includes at least one of an electrical plug or an Edison screw base configured to receive a primary voltage, a voltage converter circuit configured to convert the primary voltage to the secondary voltage, and a first electrical connector part configured to be detachably coupled to a second electrical connector part of an electrical fixture configured to be powered by the secondary voltage. The stackable electrical adapter is configured to be powered by the secondary voltage, the first stackable electrical adapter having a first side and a second side opposite the first side. The electrical adapter is configured to be electrically connected to the first side of the first stackable electrical adapter or to an electrical fixture using a two part electrical connector to provide the secondary voltage and a ground, the electrical fixture is configured to be powered by the secondary voltage, where the second side of the stackable electrical adapter is configured to be electrically connected to the electrical fixture or to be daisy-chained to a second stackable electrical adapter using the two part electrical connector to provide the secondary voltage and a ground, the second stackable electrical adapter being configured to be electrically connected to the electrical adapter and the electrical fixture and to be daisy-chained to the first stackable electrical adapter using the two part electrical connector to provide the secondary voltage and a ground.