This standard covers assembled and wired electrical equipment assemblies (panelboards) containing apparatus such as switches, interrupting devices, control, measuring, protective and regulating devices, instruments, enclosed bars and their accompanying connections. , cabinets and support structures. Including, but not specifically being lime. ted to devices for the control and protection of equipment used for generation, conversion, transmis ion and dis ribution of electricity, such as; Shielded power panels Station-type cell power panels Power panels of low-voltage power circuit breakers, in metal cabinets Power panels of switches in a metal case Bars enclosed in metal. Dis ribution boards including those that group boiler-turbine-generator boards and general service boards of power plants? Panels for compact substations. This standard considers closed panel boards more specifically than open ones. It does not apply to equipment covered by industrial control standards, communications panels, communications dis onnect equipment, or panels used on ships.
NORVEN 388-1973 history
1973NORVEN 388-1973 Square plates (including metal closing rods)