A power distribution unit including an elongate housing and a power input penetrating said elongate housing. The power input can comprise a ground buss wire, a neutral buss wire and at least one line buss wire. A plurality of electrical outlets can be disposed along the housing. Each electrical outlet can comprise a receptacle and a plurality of spaced apart outlet pins protruding from the receptacle. The plurality of outlet pins can include a ground outlet pin receiving the ground buss wire, a neutral outlet pin receiving the neutral buss wire, and a line outlet pin receiving the line buss wire.

A switchgear or control gear includes: at least one first compartment; at least one second compartment; a plurality of main switchgear or control gear components including a main busbar system, a three position linear or rotational movement disconnector, a circuit breaker, and at least a first part of an insulated cable connection; and a plurality of auxiliary switchgear or control gear components including a disconnector drive and a circuit breaker drive. The plurality of main switchgear or control gear components are housed in the at least one first compartment. The plurality of auxiliary switchgear or control gear components are housed in the at least one second compartment. When one or more of the plurality of main switchgear or control gear components is energized, the at least one first compartment is hermetically sealable or maintainable at an internal air pressure greater than ambient air pressure.

A switchgear or control gear includes: at least one first compartment; at least one second compartment; a plurality of main switchgear or control gear components including a main busbar system, a three position linear or rotational movement disconnector, a circuit breaker, and at least a first part of an insulated cable connection; and a plurality of auxiliary switchgear or control gear components including a disconnector drive and a circuit breaker drive. The plurality of main switchgear or control gear components are housed in the at least one first compartment. The plurality of auxiliary switchgear or control gear components are housed in the at least one second compartment. When one or more of the plurality of main switchgear or control gear components is energized, the at least one first compartment is hermetically sealable or maintainable at an internal air pressure greater than ambient air pressure.

The present application provides a power supply cabinet, comprising a first power supply region and a second power supply region including at least one slot for receiving a first power supply module and a second power supply module respectively, a mode switching unit for outputting a mode signal to the first power supply module and the second power supply module, and a position setting unit for outputting a position signal to the first power supply module and the second power supply module. Input sides of the first power supply module and the second power supply mode are electrically connected to a first power supply and a second power supply. The power supply cabinet selectively operates in a first power supply mode (e.g. N+N mode) or a second power supply mode (e.g. N+1 mode) depending on the mode signal or types of the power supplies.

The present application provides a power supply cabinet, comprising a first power supply region and a second power supply region including at least one slot for receiving a first power supply module and a second power supply module respectively, a mode switching unit for outputting a mode signal to the first power supply module and the second power supply module, and a position setting unit for outputting a position signal to the first power supply module and the second power supply module. Input sides of the first power supply module and the second power supply mode are electrically connected to a first power supply and a second power supply. The power supply cabinet selectively operates in a first power supply mode (e.g. N+N mode) or a second power supply mode (e.g. N+1 mode) depending on the mode signal or types of the power supplies.

The present invention is an electrical junction box comprising a walled enclosure having an articulating cover member. The articulating cover member has an opening and is configured to allow an electrical device such as switch to be coupled to the cover member and further reside within the electrical junction box when the cover member is articulated into a closed position. When the cover member is in an open position, an installer has access to the backside of the electrical device and to the inside of the junction box. The coupling to of the electrical device to the cover member allows for support and stability of the electrical device while installing the required electrical lines that run through the junction box to the electrical device.

The present invention is an electrical junction box comprising a walled enclosure having an articulating cover member. The articulating cover member has an opening and is configured to allow an electrical device such as switch to be coupled to the cover member and further reside within the electrical junction box when the cover member is articulated into a closed position. When the cover member is in an open position, an installer has access to the backside of the electrical device and to the inside of the junction box. The coupling to of the electrical device to the cover member allows for support and stability of the electrical device while installing the required electrical lines that run through the junction box to the electrical device.

A power distribution unit including an elongate housing and a power input penetrating said elongate housing. The power input can comprise a ground buss wire, a neutral buss wire and at least one line buss wire. A plurality of electrical outlets can be disposed along the housing. Each electrical outlet can comprise a receptacle and a plurality of spaced apart outlet pins protruding from the receptacle. The plurality of outlet pins can include a ground outlet pin receiving the ground buss wire, a neutral outlet pin receiving the neutral buss wire, and a line outlet pin receiving the line buss wire.

A power distribution unit including an elongate housing and a power input penetrating said elongate housing. The power input can comprise a ground buss wire, a neutral buss wire and at least one line buss wire. A plurality of electrical outlets can be disposed along the housing. Each electrical outlet can comprise a receptacle and a plurality of spaced apart outlet pins protruding from the receptacle. The plurality of outlet pins can include a ground outlet pin receiving the ground buss wire, a neutral outlet pin receiving the neutral buss wire, and a line outlet pin receiving the line buss wire.

A rack having scalability and compatibility may be configured to reversibly adjusted to be reversibly configured to support various computerized equipment having various sizes and power supply schemes without adjusting an outer volume boundary of the rack and without replacement of the rack. The rack may include a main frame and an additional frame. The main frame may structurally support computerized equipment having a particular dimension that is a first size within an enclosure that is a first enclosure at least partially defined by the main frame. The additional frame may reversibly couple with the main frame to adjust the enclosure to be a second enclosure at least partially defined by the at least one additional frame to reversibly configure the main frame to store computerized equipment having the particular dimension that is a second size that is different from the first size.