A baseplate is attachable to a structure in the vicinity of an electrical power source. Optionally, the baseplate may be shaped so that when attached to the structure, the baseplate lies on at least one edge of an opening. The baseplate may have a plurality of connection points for connecting accessories. In different embodiments, the baseplate or faceplate system (which may be modular) attaches to a junction box, and/or may be installed in an opening for a light switch and/or outlet. Optionally, accessories and/or other electrical components may communicate with one another via the baseplate. Optionally, accessories and/or other electrical components may share power with one another, via the baseplate. Optionally, the accessories, the baseplate and/or other electrical components may communicate with a remote device.