An assembly for electrical equipment includes: a plurality of connection devices to be modularly arranged side-by-side in a row along a row direction, each having a housing and at least one termination point for connecting at least one electrical conductor; and a connecting element having a main body and a connecting portion formed on the main body, the connecting element connecting together two of the plurality of connection devices which two connection devices are adjacent to each other along the row direction. The connecting element is connectable via the connecting portion to the housing of at least one of the two adjacent connection devices by material-to-material bonding.

An assembly for electrical equipment includes: a plurality of connection devices to be modularly arranged side-by-side in a row along a row direction, each having a housing and at least one termination point for connecting at least one electrical conductor; and a connecting element having a main body and a connecting portion formed on the main body, the connecting element connecting together two of the plurality of connection devices which two connection devices are adjacent to each other along the row direction. The connecting element is connectable via the connecting portion to the housing of at least one of the two adjacent connection devices by material-to-material bonding.

A terminal block assembly for a power tool comprises a terminal block having at least one primary terminal configured for electrical connection with a battery and at least one secondary terminal in electrical connection with the at least one primary terminal. A substrate is mountable on the terminal block. The substrate has at least one first electrical connector electrically connectable with the at least one secondary terminal and at least one second electrical connector in electrical connection with the at least one first electrical connector. At least one wire is electrically connected to the at least one second electrical connector. An overmold is configured to cover the at least one second electrical connector and at least a portion of the at least one wire.

Provided is an electrical connection box according to which it is possible to suppress the occurrence of mistakes in a manufacturing process, and it is possible to reliably prevent the occurrence of faulty products. The electrical connection box to be used in a vehicle includes a terminal having an inner-fitting plate portion that is fit into and held in a slit of a holding member; and multiple substrate connection portions that protrude along a surface of the inner-fitting plate portion from one side edge of the inner-fitting plate portion. The terminal has a shape that is asymmetrical in a direction in which the multiple substrate connection portions are arranged side by side.

An assembly of a plug connector part includes: a holding frame having a frame opening for receiving a plurality of modular contact inserts on a plurality of plug-in spaces arranged alongside one another along a width direction; and at least one modular contact insert insertable into the frame opening at at least one plug-in space, an arrangement of plug openings for connecting electrical conductors being disposed on the at least one modular contact insert. The at least one modular contact insert has an arrangement of connection spaces that are assigned to the plug openings and to which at least one functional element is attachable to electrically connect two plug openings to one another.

A circuit breaker housing for holding a switching device unit and a number of connection contacts for a connection line and/or a busbar. The housing has a first housing part and a second housing part. In the joined, assembled state, the housing parts form a front side and a rear side opposite said front side and at least one connection side and end faces located opposite one another. A holding chamber for a connection module having one of the connection contacts is provided on the front side and/or on at least one of the connection sides.

A switch assembly and a power supply system are provided. The switch assembly includes a switch body having a two-pin plug, a first circuit board, and a second circuit board. The first circuit board is provided with a power supply terminal block and a group of female terminals. The group of female terminals includes a first female terminal, a second female terminal and a third female terminal. The first female terminal and the second female terminal are respectively plugged with two pins of the two-pin plug. The first female terminal is electrically connected to the power supply terminal block, and the second female terminal is electrically connected to the third female terminal. The second circuit board is provided with a load connection terminal and a male terminal electrically connected to the load connection terminal. The male terminal is plugged with the third female terminal.

A switch assembly and a power supply system are provided. The switch assembly includes a switch body having a two-pin plug, a first circuit board, and a second circuit board. The first circuit board is provided with a power supply terminal block and a group of female terminals. The group of female terminals includes a first female terminal, a second female terminal and a third female terminal. The first female terminal and the second female terminal are respectively plugged with two pins of the two-pin plug. The first female terminal is electrically connected to the power supply terminal block, and the second female terminal is electrically connected to the third female terminal. The second circuit board is provided with a load connection terminal and a male terminal electrically connected to the load connection terminal. The male terminal is plugged with the third female terminal.

Provided is an electrical connection box according to which it is possible to suppress the occurrence of mistakes in a manufacturing process, and it is possible to reliably prevent the occurrence of faulty products. The electrical connection box to be used in a vehicle includes a terminal having an inner-fitting plate portion that is fit into and held in a slit of a holding member; and multiple substrate connection portions that protrude along a surface of the inner-fitting plate portion from one side edge of the inner-fitting plate portion. The terminal has a shape that is asymmetrical in a direction in which the multiple substrate connection portions are arranged side by side.

An assembly of a plug connector part includes: a holding frame having a frame opening for receiving a plurality of modular contact inserts on a plurality of plug-in spaces arranged alongside one another along a width direction; and at least one modular contact insert insertable into the frame opening at at least one plug-in space, an arrangement of plug openings for connecting electrical conductors being disposed on the at least one modular contact insert. The at least one modular contact insert has an arrangement of connection spaces that are assigned to the plug openings and to which at least one functional element is attachable to electrically connect two plug openings to one another.