An electrical distribution box for an aircraft includes first housings configured to receive power modules, second housings configured to receive electronic control modules, and an interface configured for connection of the power and control modules and external electrical members. The interface includes at least one input power busbar extending into at least one of the first housings for connection to at least one of the power modules. The at least one input power busbar is adapted to be connected to a cable of a wiring harness for connection of the at least one power module to the wiring harness.