The present application discloses an electrical connector including a first lower insulating housing, a second upper insulating housing, a number of first conductive terminals held on the first lower insulating housing, and a number of second conductive terminals held on the second upper insulating housing. Each first conductive terminal includes a first tail portion for connecting with a printed circuit board. Each second conductive terminal includes a second tail portion for connecting with the printed circuit board. The first tail portions are arranged in a first and front row and the second tail portions are arranged in a second and rear row spaced away from the first and front row. A waterproof plate is formed between the first tail portions and the second tail portions by glue injection.

A waterproof connector includes a plug-in assembly, an insulating body and a waterproof adhesive block; a rear end of the plug-in assembly is provided with a cavity, the plug-in assembly includes a plurality of conductive terminals, and the conductive terminal is partially exposed in the cavity; a front end of the insulating body is provided with a plug-in groove, a front end of the plug-in assembly is located in the plug-in groove, a rear end of the insulating body is coated on an outer side of the plug-in assembly, and waterproof ports are provided on two sides of the insulating body; the cavity is filled with the waterproof adhesive block, and the waterproof port is at least partially filled with the waterproof adhesive block.

A terminal-equipped wire in which a terminal fitting and a wire obtained by covering an outer periphery of a conductor with an insulating covering are electrically connected to each other at an electric connection, the terminal-equipped wire including a resin covering that is made of a resin material, and covers the electric connection, wherein: the resin covering includes, in a region that covers at least part of the terminal fitting, a first covering layer that is in contact with a surface of the terminal fitting and a second covering layer that covers at least part of the first covering layer, and the first covering layer has a recess, and the recess is covered by the second covering layer.

A connection device for connecting an electrical or electronic component, which is accommodated in a thick-walled housing part, through a stepped bore in the wall of the housing part, includes a connection part having a stepped cylindrical body having a first cylindrical portion with a first outer diameter corresponding to the diameter of an inner bore portion of the stepped bore and a second cylindrical portion with a second outer diameter corresponding to the larger diameter of an outer bore portion, and a separate, essentially cylindrical contact carrier part fixed in the base body, which has contact pins protruding from an inner end face located on the inside of the thick-walled housing part. A fastener detachably fastens the connection part inserted in the stepped bore in the bore of the housing part.

A sealing device and method for sealing an electrical terminal. The sealing device includes a heat shrinkable tubing having an inner wall. A first sealant/adhesive is configured to cooperate with the heat shrinkable tubing. The first sealant/adhesive has a first sealant/adhesive first surface and an oppositely facing first sealant/adhesive second surface. The second surface of the first sealant/adhesive is bonded to the inner wall of the heat shrinkable tubing. A second sealant/adhesive is configured to cooperate with free ends of electrical conductors which are in electrical engagement with the electrical terminal. The second sealant/adhesive has a second sealant/adhesive first surface and an oppositely facing second sealant/adhesive second surface. The second sealant/adhesive first surface is provided in engagement with the electrical conductors. The second sealant/adhesive second surface is provided in engagement and bonded with the first sealant/adhesive first surface.

A rubber plug A includes a tubular seal functioning portion 10 through which a wire 20 is passed, and a tubular portion 15 through which the wire 20 is passed. The seal functioning portion 10 exhibits a sealing function by being held resiliently in close contact with an inner peripheral surface of a terminal accommodation chamber 29 and an outer peripheral surface of the wire 20. The tubular portion 15 is disposed behind the seal functioning portion 10. Weight portions 16 relatively displaceable with respect to the tubular portion 15 are formed on the outer periphery of the tubular portion 15.

A bulkhead passthrough connector containing a printed circuit board (PCB) for transferring electrical signals across a bulkhead to an electronic valve actuator, an electronic valve actuator configured to operate and communicate with a valve using a PCB through a bulkhead, the electronic valve actuator, and a method of assembling a bulkhead passthrough connector incorporating a PCB. The embodiments may include a passthrough partition which separates one side of the bulkhead from another. A PCB retainer may also be secured to the passthrough partition. The PCB is attached to the PCB retainer and extends from one side to another side of the bulkhead through the passthrough partition. The PCB further includes electrical paths printed on the PCB and electrical connectors located on both sides of the bulkhead to enable communication with external devices.

Systems, devices, and methods including: a cable; a housing having a tapered exit hole connected to an internal volume; a tapered seal having a tapered outer surface and an inner aperture, where the inner aperture of the tapered seal receives the cable; an encapsulant disposed in the internal volume and about one or more wires of the cable; and a compression cap placed over the tapered seal and about a flange of the housing to compress the tapered seal into the tapered exit hole; where compression from the compression cap forces the encapsulant up inside the cable and around the one or more wires of the cable, and where curing of the encapsulant seals the cable from moisture incursion.

Disclosed are an electrical penetration assembly, a manufacturing method thereof, and an electrical penetration device, which relate to the technical field of electrical penetration. The electrical penetration assembly comprises sealing glass (5), an outer tube (4) and a conductor (7) inserted into the outer tube (4), wherein both ends of the outer tube (4) are blocked by supporting and fixing blocks (8), and both ends of the conductor (7) respectively protrude from the corresponding supporting and fixing blocks (8); the sealing glass (5) is sintered between the conductor (7) and the outer tube (4) and is configured to divide an annular cavity jointly enclosed by the conductor (7), the outer tube (4) and the supporting and fixing blocks (8) into an upper cavity and a lower cavity; an optical fiber (14) penetrates the sealing glass (5), at least one end of the optical fiber (14) is connected to an optical fiber splice (3) after protruding from the corresponding supporting and fixing block (8), and a portion of the optical fiber (14) located in the sealing glass (5) is inscribed with a fiber Bragg grating to form a first fiber Bragg grating sensor (1). By utilizing the first fiber Bragg grating sensor (1) to monitor the strain and temperature of the sealing glass (5) in real time, not only can it judge whether the electrical penetration assembly meets the requirements for hermeticity, but also enable precise control of the sintering temperature.

Disclosed is a plug connector having a plurality of electrical contact elements and an elastic sealing body. The elastic sealing body has a transparent sealing ring which is connected to at least one light guide arm which extends away from the sealing ring.