A conductive terminal to be mated with a mating terminal includes: a base; and a mating end at a front of the base for mating with the mating terminal, the mating end including a first mating portion for contacting with the mating terminal and a second mating portion arranged in front of the first mating portion for contacting with the mating terminal, wherein the first mating portion includes a first protrusion, the second mating portion includes a second protrusion, the first protrusion and the second protrusion protrude toward same side of the conductive terminal, the contacting direction and manner between the first protrusion and the mating terminal are different from the contacting direction and manner between the second protrusion and the mating terminal.

A conductive terminal to be mated with a mating terminal includes: a base; and a mating end at a front of the base for mating with the mating terminal, the mating end including a first mating portion for contacting with the mating terminal and a second mating portion arranged in front of the first mating portion for contacting with the mating terminal, wherein the first mating portion includes a first protrusion, the second mating portion includes a second protrusion, the first protrusion and the second protrusion protrude toward same side of the conductive terminal, the contacting direction and manner between the first protrusion and the mating terminal are different from the contacting direction and manner between the second protrusion and the mating terminal.

A connector comprises a pair of terminals for clamping and electrically connecting to a first conductive member. A first terminal includes a plurality of first elastic arms arranged in a row, with each first elastic arm having a first contact and a third contact formed thereon. The second terminal is laminated on an outer side of the first terminal and includes a plurality of second elastic arms arranged in a row. Each second elastic arm includes a second contact formed thereon. Each second contact protrudes to an inner side of the first elastic arms from a gap between two adjacent first elastic arms. The plurality of second elastic arms respectively abut against the outer sides of the plurality of first elastic arms. The first contact, the second contact and the third contact are adapted to be in electrical contact with the inserted first conductive member simultaneously.

A connector comprises a pair of terminals for clamping and electrically connecting to a first conductive member. A first terminal includes a plurality of first elastic arms arranged in a row, with each first elastic arm having a first contact and a third contact formed thereon. The second terminal is laminated on an outer side of the first terminal and includes a plurality of second elastic arms arranged in a row. Each second elastic arm includes a second contact formed thereon. Each second contact protrudes to an inner side of the first elastic arms from a gap between two adjacent first elastic arms. The plurality of second elastic arms respectively abut against the outer sides of the plurality of first elastic arms. The first contact, the second contact and the third contact are adapted to be in electrical contact with the inserted first conductive member simultaneously.

Components and systems are disclosed for implementing downhole splice connections such as within a wellbore. In some embodiments, a downhole splice connector includes at least one connector body having an inner diameter defining a cavity within which at least one connector receptacle is disposed, and at least one conductive center pin disposed within the at least one connector receptacle. The downhole splice connector further includes at least one pressure sleeve annularly disposed between an inner diameter of the connector body and an outer diameter of the center pin, such that a pressure barrier is formed between an outer diameter of the pressure sleeve and an inner diameter of the connector body and a pressure barrier is formed between an inner diameter of the pressure sleeve and an outer diameter of the center pin.

Components and systems are disclosed for implementing downhole splice connections such as within a wellbore. In some embodiments, a downhole splice connector includes at least one connector body having an inner diameter defining a cavity within which at least one connector receptacle is disposed, and at least one conductive center pin disposed within the at least one connector receptacle. The downhole splice connector further includes at least one pressure sleeve annularly disposed between an inner diameter of the connector body and an outer diameter of the center pin, such that a pressure barrier is formed between an outer diameter of the pressure sleeve and an inner diameter of the connector body and a pressure barrier is formed between an inner diameter of the pressure sleeve and an outer diameter of the center pin.

A power conversion device includes: circuit boards; at least one engagement member configured to engage a male engagement member with a female engagement member to allow the circuit boards to be electrically connected, the male engagement member being connected to one of the circuit boards and having a substantially flat plate-shaped insertion portion, the female engagement member being connected to another of the circuit boards and having first and second clamping portions disposed to face each other, and the engagement of the engagement members being made by clamping the insertion portion by the clamping portions; a differential amplifier configured to measure a voltage across the engagement member; an arithmetic unit configured to estimate a resistance value of the engagement member based on the measured voltage; and a power conversion circuit controller configured to perform notification on condition that the estimated resistance value exceeds a resistance threshold.

A power conversion device includes: circuit boards; at least one engagement member configured to engage a male engagement member with a female engagement member to allow the circuit boards to be electrically connected, the male engagement member being connected to one of the circuit boards and having a substantially flat plate-shaped insertion portion, the female engagement member being connected to another of the circuit boards and having first and second clamping portions disposed to face each other, and the engagement of the engagement members being made by clamping the insertion portion by the clamping portions; a differential amplifier configured to measure a voltage across the engagement member; an arithmetic unit configured to estimate a resistance value of the engagement member based on the measured voltage; and a power conversion circuit controller configured to perform notification on condition that the estimated resistance value exceeds a resistance threshold.

One aspect is a system for reception or emission of an electrical signal from or into the human or animal body, comprising at least one insulated electrical conductor; a sleeve-shaped electrode that is electrically connected to the electrical conductor and includes an internal side, an external side, and a channel, wherein the channel defines a longitudinal axis along which the conductor is arranged. According to one embodiment, the conductor extends without interruption along the entire area of the electrode, and the electrode further includes a slit that extends from the internal side to the external side of the electrode and in which the conductor is appropriately arranged in the slit such that the electrode forms a direct durable mechanical and electrical connection to the conductor.

An electrical junction box comprises an electrically conductive housing and at least one cable end wherein an everted braided shield section of the cable end is received in a retainer section of the housing and an electrically conductive adhesive is provided.