Control board and Electrical device

Control board noun - Electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices.

Electrical device and control board are semantically related. In some cases you can use "Electrical device" instead a noun phrase "Control board".

Electrical device noun - A device that produces or is powered by electricity.

Control board and electrical device are semantically related. Sometimes you can replace phrase "Control board" with "Electrical device", this phrases are similar.