A terminal block which can be coupled to another terminal block in an electrically connected state includes a housing, an input-side power supply terminal and an output-side power supply terminal. The housing includes a first wall portion and a second wall portion. The input-side power supply terminal and the output-side power supply terminal are arranged along the second wall portion inside the housing. The housing includes a protruding portion that functions as an obstructing member that hinders connection of the input-side power supply line to the input-side power supply terminal and a through hole that is arranged in a vicinity of the input-side power supply terminal of the second wall portion and penetrates the second wall portion in the first direction to allow insertion of the obstructing member.

Modular junction boxes in accordance with embodiments of the invention are disclosed. In one embodiment, a junction box for convenient modular industrial wiring is provided comprising a plurality of walls defining a first internal space of the junction box and at least one open face, a first connection area located on a first external face of the junction box comprising a first opening for receiving at least three electrical wires, a bus bar stack located in the first internal space of the junction box, a removable junction device comprising at least one contact support being mechanically and electrically attachable to the bus bar stack, and wherein when the junction device is attached to the bus bar stack, the junction device is electrically connected through the at least one contact support to one of at least three input openings of the bus bar stack.

A housing is configured to be fitted to a mating housing, the housing including a cylindrical hood into which a fitting protrusion of the mating housing is fittable, the cylindrical hood being configured such that, when the fitting protrusion is fitted into the cylindrical hood, a space between the cylindrical hood and the fitting protrusion is sealed with an annular seal member provided on the fitting protrusion. The cylindrical hood includes, at a distal end of the cylindrical hood from which the housing is fitted to the mating housing, a cylindrical seal portion configured to contact, when the fitting protrusion is fitted into the cylindrical hood, an edge of the mating housing continuously over an entire circumference of the edge and to cover the edge between the cylindrical seal portion and the edge.

A connecting terminal having a plurality of conductor connection modules, wherein the conductor connection modules each have an insulating material housing with a conductor insertion opening for receiving an electrical conductor. In each case two conductor connection modules arranged next to one another are connected via a web, wherein the web is designed flexibly in such a way that the conductor connection modules can be arranged from an initial position into an arrangement different from the initial position, and vice versa.

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.

An electrical junction box assembly includes a junction box that has a power input, a hot terminal block, a ground terminal block and neutral terminal block. A plurality of electrical couplers is each in electrical communication with the hot terminal block and the ground terminal block and the neutral terminal block. A plurality of extension cables is each attachable to a respective one of the electrical couplers such that each of the extension cables is in electrical communication with the power input. Each of the extension cables is electrically coupled to a respective electronic device thereby facilitating the respective electronic device to be in electrical communication with the power input. In this way the extension cables supply the respective electronic device with electrical power without requiring permanent electrical wiring to be installed.

A contact insert for a connecting terminal, wherein the contact insert has a busbar piece and a clamping spring for clamping an electrical conductor in a conductor insertion direction, wherein the busbar piece and the clamping spring form a clamping point for the electrical conductor to be clamped, and wherein the contact insert has a bushing contact for receiving a contact pin. The longitudinal extension direction of the bushing contact runs essentially perpendicular to the conductor insertion direction from the busbar piece. The bushing contact is designed to receive the contact pin perpendicular to the longitudinal extension direction of the bushing contact and to receive the contact pin in the longitudinal extension direction of the bushing contact.

A connector (1) includes first terminals (3A), a first resin core (2A), second connector terminals (3B), second resin cores (2B) and an outer resin part (4). Base ends (312) of inner end parts (31A) of the first terminals (3A) face a second exposed surface (21B) of the second resin core (2B) with a clearance (S) formed between the base end parts (312) and the second exposed surface (21B). Tips (311) of the inner end parts (31A) of the first terminals (3A) are formed with bent tips (311A) projecting away from the second exposed surface (21B). The second exposed surface (21B) has a size to entirely surround the inner end parts (31A) of the first terminals (3A).

A bus module (100) includes an insulating body (10) and multiple conductors (20), and the insulating body (10) includes a first insulator (11), a second insulator (12) installed at a position corresponding to the first insulator (11), and two locking arm (111) installed on two sides of the first insulator (11) separately. Each conductor (20) is parallelly embedded in the insulating body (10) and includes a lapping plate (21), a clamping portion (22) extended from the lapping plate (21) and an end pin (23) extended from the lapping plate (21) in a direction away from the clamping portion (22), and the lapping plate (21) is disposed between the first insulator (11) and the second insulator (12) and exposed to the outside, and the clamping portion (22) is accommodated in the second insulator (12), and the end pin (23) is accommodated in the first insulator (11).

An adjustable neutral bar and adjustable neutral bar assemblies are provided. The bars and bar assemblies are adjustable to a desired number of taps. The bars and bar assemblies can have mating bar ends or clips that allow for easy connection of multiple bars to one another. Additionally, the bars and bar assemblies can have shear regions that allow for easy separation of a bar at a desired location.