detail below a first series of electrical connectors 18 is mounted to the end panel 13 and a second series of electrical connectors 19 is mounted to the side panel 15 each connector 18 19 can comprise any preselected type of known electrical connector e g screw type male female plug type or even standard household outlets of varying power capacities as desired by a user for example the connectors 18 can comprise high capacity female plugs for coupling via plug in flexible power cables not specifically illustrated to a source of power such as a generator or to another power distribution cabinet to provide a trunk feed within a network the connectors 19 can be lower capacity 120 v 60a plugs for direct connection to various branch loads such as lighting fixtures any of the panels 13 14 15 17 and the connectors 8 19 mounted thereon can be readily removed from the cabinet 10 by unscrewing the respective screws 16 and replaced by other panels mounting any other type of connectors as may be required in another electric power application of the cabinet 10 thus the mounting of the connectors 18 19 on panels that can be readily removed from the cabinet 10 provides a modular construction facilitating a highly versatile utility for the cabinet 10 any connector type needed by a particular power application can be easily mounted on the cabinet by simple replacement of e g the end 13 and side 15 panels with end 13 and side 15 panels having the required connector type moreover panels 13 14 15 17 are recessed by a dimension such that the connectors 18 19 are also recessed from.