Systems, devices, and methods for inserting a wire through apertures in an inner housing, an upper plate, a lower plate, and a grommet; connecting the wire via an isolation break; and inserting the inner housing into an outer housing; where the inner housing compresses the grommet between the upper plate and the lower plate to form a seal about the metal isolation break.

A connector that includes a male connector; and a female connector including a housing to be fit to the male connector along a connecting direction, wherein: a first connector of the male connector and the female connector is fixed with a second connector of the male connector and the female connector connected and, a rigidity k [N/m] satisfies k<360000 when the second connector is distorted at a test speed of 1 mm/min in a direction intersecting the connecting direction and satisfies k≥(2.0×10.sup.7)×m, where m [kg] denotes a mass of the second connector.

A connector that includes a male connector; and a female connector including a housing to be fit to the male connector along a connecting direction, wherein: a first connector of the male connector and the female connector is fixed with a second connector of the male connector and the female connector connected and, a rigidity k [N/m] satisfies k<360000 when the second connector is distorted at a test speed of 1 mm/min in a direction intersecting the connecting direction and satisfies k≥(2.0×10.sup.7)×m, where m [kg] denotes a mass of the second connector.

Disclosed is a connector connection port formed by injection molding a polybutylene terephthalate resin material. A protruding boss part is provided on an outer or inner peripheral surface of the connector connection port. Voids are present in the boss part and a lower part of the outer or inner peripheral surface on which the boss part is provided. When a total of cross-sectional areas of voids in a region at a height of 0-0.5 mm from the outer or inner peripheral surface in the boss part is S1, a total of cross-sectional areas of voids in a region at a depth of 0-0.5 mm from the outer or inner peripheral surface on which the boss part is provided is S2, and a total of S1 and S2 is 100%, an areal ratio of S1 is 5% to 45% and an areal ratio of S2 is 55% to 95%.

Disclosed is a connector connection port formed by injection molding a polybutylene terephthalate resin material. A protruding boss part is provided on an outer or inner peripheral surface of the connector connection port. Voids are present in the boss part and a lower part of the outer or inner peripheral surface on which the boss part is provided. When a total of cross-sectional areas of voids in a region at a height of 0-0.5 mm from the outer or inner peripheral surface in the boss part is S1, a total of cross-sectional areas of voids in a region at a depth of 0-0.5 mm from the outer or inner peripheral surface on which the boss part is provided is S2, and a total of S1 and S2 is 100%, an areal ratio of S1 is 5% to 45% and an areal ratio of S2 is 55% to 95%.

Provided is a polybutylene terephthalate resin composition containing, with respect to 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a total of 30 to 60 parts by mass of at least two different brominated flame retardants selected from the group consisting of a brominated epoxy compound, a brominated polycarbonate compound and a brominated polystyrene compound, (C) 5 to 15 parts by mass of an antimony compound, (D) 5 to 30 parts by mass of an elastomer, and (E) 0.5 to 3 parts by mass of a mold-release agent.

Provided is a polybutylene terephthalate resin composition containing, with respect to 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a total of 30 to 60 parts by mass of at least two different brominated flame retardants selected from the group consisting of a brominated epoxy compound, a brominated polycarbonate compound and a brominated polystyrene compound, (C) 5 to 15 parts by mass of an antimony compound, (D) 5 to 30 parts by mass of an elastomer, and (E) 0.5 to 3 parts by mass of a mold-release agent.

A ruggedized mobile mount for a portable handheld radio, including a detachment mechanism and indicator for removably attaching the handheld radio to the mobile mount is disclosed. In one embodiment, the detachment mechanism includes a mechanical indicator configured to indicate an attached and detached state of the handheld radio.

A lever connector, including: a terminal block that includes a fitting portion, a first pin and a second pin, the first pin and the second pin being provided to project from an outer periphery of the fitting portion and arranged orthogonal to each other; a housing that includes a receptacle, the fitting portion being fittable into the receptacle; a first lever mounted on the housing, the first lever fitting and separating the fitting portion into and from the receptacle by being engaged with the first pin; and a second lever mounted on the receptacle, the second lever being movable between a locking position where the second lever is locked to the second pin and a non-locking position where the second lever is not locked to the second pin.

A lever connector, including: a terminal block that includes a fitting portion, a first pin and a second pin, the first pin and the second pin being provided to project from an outer periphery of the fitting portion and arranged orthogonal to each other; a housing that includes a receptacle, the fitting portion being fittable into the receptacle; a first lever mounted on the housing, the first lever fitting and separating the fitting portion into and from the receptacle by being engaged with the first pin; and a second lever mounted on the receptacle, the second lever being movable between a locking position where the second lever is locked to the second pin and a non-locking position where the second lever is not locked to the second pin.