| 摘要 |
Electrical devices are described. In one embodiment, an electrical device suitable for installation in an electrical gang/patress box includes an alternating current (AC) to direct current (DC) transformer configured to transform an AC power signal that is accessible from within the electrical gang/patress box into a DC power signal, a load regulator module configured to regulate a load device in response to the DC power signal, a microcontroller module configured to control the load regulator module in response to the DC power signal, and a connector configured to output a DC voltage signal having a voltage that is lower than the voltage of the AC power signal in response to the DC power signal. Other embodiments are also described.
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