An electric wire connector having fire-extinguishing function includes: a protective holder (100) comprising a conductor cap (120) and an insulator gap (140), wherein the conductor cap (120) accommodates a conductor part 12 of an electric wire connection part (10), wherein the insulator cap (140) wherein the insulator cap (140) has an inner diameter larger than an inner diameter of the conductor cap (120) and accommodates an insulator part (14) of the connection part (10); a metal tube (200) installed within the conductor cap (120) and press-fits in the conductor part (12); and a fire-extinguishing module (300) installed in the insulator cap (140) and having a fire-extinguishing tunnel (302), wherein the fire-extinguishing tunnel (302) is provided in the insulator cap (140), wherein the insulator part (14) is inserted in the fire-extinguishing tunnel, wherein the fire-extinguishing powder is ejected in response to a heat of a fire.

An electric wire connector having fire-extinguishing function includes: a protective holder (100) comprising a conductor cap (120) and an insulator gap (140), wherein the conductor cap (120) accommodates a conductor part 12 of an electric wire connection part (10), wherein the insulator cap (140) wherein the insulator cap (140) has an inner diameter larger than an inner diameter of the conductor cap (120) and accommodates an insulator part (14) of the connection part (10); a metal tube (200) installed within the conductor cap (120) and press-fits in the conductor part (12); and a fire-extinguishing module (300) installed in the insulator cap (140) and having a fire-extinguishing tunnel (302), wherein the fire-extinguishing tunnel (302) is provided in the insulator cap (140), wherein the insulator part (14) is inserted in the fire-extinguishing tunnel, wherein the fire-extinguishing powder is ejected in response to a heat of a fire.

An electrical cable connecting system includes a modular electrical or electronic wiring device assembly, in which an electrical or electronic wiring device and a connector may be electrically coupled via pig-tail jumper electrical wires. The connector may be coupled to cable electrical wires fitted with a cable protector to protect the electrical wire conductors therein. The connector may include internal electrical terminals for electrically coupling building electrical cable wires with corresponding jumper electrical wires. The connector may be mechanically and electrically coupled to and directly terminate one or more building electrical cables, which may provide power to or from one or more electrical or electronic wiring devices by establishing an electrical pathway from a source of electrical power, through the building electrical cable wires, the connector, the pig-tail jumper electrical wires and an electrical or electronic wiring device.

An electrical cable connecting system includes a modular electrical or electronic wiring device assembly, in which an electrical or electronic wiring device and a connector may be electrically coupled via pig-tail jumper electrical wires. The connector may be coupled to cable electrical wires fitted with a cable protector to protect the electrical wire conductors therein. The connector may include internal electrical terminals for electrically coupling building electrical cable wires with corresponding jumper electrical wires. The connector may be mechanically and electrically coupled to and directly terminate one or more building electrical cables, which may provide power to or from one or more electrical or electronic wiring devices by establishing an electrical pathway from a source of electrical power, through the building electrical cable wires, the connector, the pig-tail jumper electrical wires and an electrical or electronic wiring device.

This present invention relates to an electric testing assistance tool in the form a wire nut or electrical connector. The tool is a funnel shaped flame resistant and insulating device and has a top end and a bottom end with curved walls. The top end includes a central hole to receive a testing probe of a tester device. The device has an internal metal spiral thread connected to a metal ball connector. The metal spiral thread twistable about a plurality of wire end leads. The leads extending from the bottom end opening are connected to a target wiring whose electrical parameters and continuity is to be measured using the electric testing assistance tool. The testing probe can be inserted through the central hole to contact the metal ball to measure the electric parameters and continuity of the target wiring.

This present invention relates to an electric testing assistance tool in the form a wire nut or electrical connector. The tool is a funnel shaped flame resistant and insulating device and has a top end and a bottom end with curved walls. The top end includes a central hole to receive a testing probe of a tester device. The device has an internal metal spiral thread connected to a metal ball connector. The metal spiral thread twistable about a plurality of wire end leads. The leads extending from the bottom end opening are connected to a target wiring whose electrical parameters and continuity is to be measured using the electric testing assistance tool. The testing probe can be inserted through the central hole to contact the metal ball to measure the electric parameters and continuity of the target wiring.

A terminal post assembly for connecting at least one electrical terminal to a substrate. The terminal post assembly includes a terminal post which has a substrate mounting portion, a terminal receiving portion and a cap receiving portion. The substrate mounting portion has a base and a securing portion which is dimensioned to extend through a mounting opening of the substrate. The terminal receiving portion is configured to receive the at least one electrical terminal thereon and make an electrical connection to the at least one electrical terminal. The cap receiving portion has a cap positioned thereon. the cap cooperates with the at least one electrical terminal to retain the at least one electrical terminal in position on the terminal receiving portion to maintain the electrical connection between the at least one electrical terminal and the terminal receiving portion of the terminal post of the terminal post assembly.

A terminal post assembly for connecting at least one electrical terminal to a substrate. The terminal post assembly includes a terminal post which has a substrate mounting portion, a terminal receiving portion and a cap receiving portion. The substrate mounting portion has a base and a securing portion which is dimensioned to extend through a mounting opening of the substrate. The terminal receiving portion is configured to receive the at least one electrical terminal thereon and make an electrical connection to the at least one electrical terminal. The cap receiving portion has a cap positioned thereon. the cap cooperates with the at least one electrical terminal to retain the at least one electrical terminal in position on the terminal receiving portion to maintain the electrical connection between the at least one electrical terminal and the terminal receiving portion of the terminal post of the terminal post assembly.

Disclosed is a wire connector. This device comprises: a wire connection part having a cap shape of which the outer circumferential surface is serrated, and connecting, by means of rotation, stripped portions of a plurality of wires to be connected which are inserted therein in a twisted shape by using a metal insert equipped therein; and a bond-type heat shrinkage tube which is hollow and cylindrical, has one side integrally attached to the outer circumferential surface of the bottom of the wire connection part, and has the other end through which the plurality of wires to be connected are inserted such that the bond-type heat shrinkage tube shrinks when heated.

Disclosed is a wire connector. This device comprises: a wire connection part having a cap shape of which the outer circumferential surface is serrated, and connecting, by means of rotation, stripped portions of a plurality of wires to be connected which are inserted therein in a twisted shape by using a metal insert equipped therein; and a bond-type heat shrinkage tube which is hollow and cylindrical, has one side integrally attached to the outer circumferential surface of the bottom of the wire connection part, and has the other end through which the plurality of wires to be connected are inserted such that the bond-type heat shrinkage tube shrinks when heated.