Electrical power control devices and related methods

An electrical power monitoring device, comprising:

• a main circuit board assembly, comprising:
• one or more auxiliary electrical connectors;
• and
• one or more auxiliary circuit board assemblies respectively connected to the one or more auxiliary electrical connectors, each of the one or more auxiliary circuit board assemblies comprising:
• an auxiliary relay configured to open or close an auxiliary power line for powering an auxiliary device;
• an auxiliary power sensor configured to sense at least one electrical power characteristic of the auxiliary power line;
• and
• an auxiliary data collection and control module operably connected to the auxiliary power sensor for collecting and processing data from the auxiliary power sensor.

A method of forming an electrical monitoring device, the method comprising:

• operably coupling an auxiliary relay and an auxiliary sensor to an auxiliary circuit board to form an auxiliary circuit board assembly, the auxiliary relay configured to open or close an auxiliary power line for powering an auxiliary device and the auxiliary sensor configured to sense at least one electrical characteristic of the auxiliary power line;
• operably coupling the auxiliary circuit board assembly to an auxiliary electrical connector of two or more auxiliary electrical connectors of a main circuit board assembly;
• and
• operably coupling the auxiliary sensor to a data collection and control module.