Abstract: An electric junction box include a tubular frame portion having a main accommodating portion, and a cover portion attached to the frame portion so as to close an opening portion of the frame portion and having a through hole through which an electric wire coupled to the electronic component is inserted. The cover portion includes a first cover portion having a plate-shaped portion disposed to face an opening surface of the opening portion and a first side wall portion erected from a peripheral edge of the plate-shaped portion toward an opening edge of the opening portion, and a second cover portion having a second side wall portion disposed between at least a part of a erecting end of the first side wall portion and the opening edge of the opening portion and a sub accommodating portion provided inside the second side wall portion.

Abstract: A liquid-tight fitting includes a connector, a seal, and a fastener member. The connector has a first and a second end, a shoulder located between the first and second ends, and a segment that extends from the shoulder to the first end. The segment has an outer surface. The seal has an inner surface in contact with the outer surface of the segment, an outer edge, and first and second seal ends joining the inner surface and the outer edge. The seal surrounds a portion of the segment such that the first seal end abuts against the shoulder. The fastener member is moveably secured to the first end of the connector, and has an end that engages the second seal end to cause the seal to compress between the shoulder and the fastener member. The seal member is adapted to deform toward the segment when compressed.

Abstract: A modular RF apparatus includes an RF portal and an RF expansion module configured to be coupled with the RF portal. The modular RF apparatus is configured to expand the number of outputs of the RF portal by adding the RF expansion module in a manner that minimizes an increase in the spatial footprint of the modular RF apparatus while allowing easy access to all ports of the modular RF apparatus. The RF portal and the RF expansion module are configured to interlock to create an integrated functional block. The modular RF apparatus are configured to permit upgrading of the RF portal by adding the RF expansion module without disrupting existing connections to the RF portal.

Abstract: A railway termination shunt enclosure including one or more receptacles, each of the one or more receptacles being configured to receive a termination shunt. The enclosure also includes at least one mounting surface and a connector assembly rotatably attaching the one or more receptacles to one or more of the at least one mounting surface.

Abstract: 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.

Abstract: An electrical junction box includes a case body having a plurality of connector portions, a power supply side circuit board accommodated in the case body and a general-purpose connector mounting unit provided in the case body and configured such that a plurality of types of connectors are selectively attached to and detached from the general-purpose connector mounting unit. The general-purpose connector mourning unit is configured such that a power supply side terminal of the plurality of types of connectors is electrically connected to a terminal connection portion of the power supply side circuit board.

Abstract: An electrical junction box includes a case body on which a first opening and a second opening are formed, a first cover configured to be fixed to the case body such that the first cover covers the first opening, and a second cover configured to be fixed to the case body such that the second cover covers the second opening. The second cover is fixed to the case body by a first rotation fulcrum engaging part and an inter-cover engaging part. The first rotation fulcrum engaging part includes an engaging protrusion formed on one end of the case body, and an engaging frame formed on one end of the second cover and configured to be engaged with the engaging protrusion. The inter-cover engaging part includes a lock arm formed on another end of the second cover, and a lock arm receiving part formed on the first cover.

Abstract: The invention relates to a transformer terminal comprising: an insulating housing which has an integrally designed main body (1) and a cover (2) which can be detachably mounted on the main body (1); a mounting device which is formed on the insulating housing and is designed to mount the insulating housing on a transformer, a first electrical conductor connection (4) for a first potential, comprising a first electrical connection assembly (8) having a first bus bar (8a); a first spring-force clamping connection which is formed on first bus bar (8a) and is designed to clamp a first conductor for electrical connection to the first bus bar (8a); and a first winding wire connection (8c) for electrically connecting a first winding wire of the transformer to the bus bar (8a), the first winding wire connection (8c) being integrally moulded on the first bus bar (8a); and a second electrical conductor connection (5) for a second potential, which is different from the first potential, the first and second electrical con

Abstract: A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal and a power supply module (24) configured to supply a power source to the electromagnetic generation module (21). A power supply box (40) is provided above a top of the cabinet (10), and heat dissipation holes configured to achieve communication between the interior of the power supply box (40) and an external environment where the power supply box (40) is located are provided in a box body of the power supply box (40).

Abstract: An electrical unit and method of assembly that includes a base housing having a plurality of sides and an opening in one of the sides configured to receive a wire therethrough, and a cover configured to mate with the base housing, defining an internal chamber therebetween. A power distribution box is disposed within the internal chamber, at least one electrical connector is disposed at least partially within the internal chamber, operatively engaging the power distribution box, and extending through the opening, and a universal sealing plate that is selectively mountable on each side of the power distribution box and mounted to align with and seal against sides of the opening and at least a portion of the electric connector extending through the opening.

Abstract: The present embodiments generally describe a monolithic, e.g., integral, box unit and methods of manufacturing monolithic box units. The monolithic box unit has a ring portion and a body portion, both of which are molded and set simultaneously. The method proceeds with filling a female oriented cavity with a Polymer mixture, allowing both the ring portion and body portion to fill and cure at the same time. Once ejected from the cavity, the entire unit can be trimmed and then add hardware and cover to complete the box.

Abstract: An electric junction box assembly includes a case, a housing and a cover. A housing is disposed on an outer surface of the case. The housing includes a back wall and a pair of supports disposed on the back wall. The supports are spaced apart from each other and each support includes an upper support member and a lower support member spaced apart from each other so as to define an opening. The upper support member has an arcuate inner surface and the lower support member has an arcuate inner surface each having a radius greater than the opening. The cover includes an axial rod having a thickness smaller than a height of the opening and a width greater than the height of the opening, wherein a rotation of the axial rod prevents the cover from being dislodged from the opening.

Abstract: Provided are approaches for integrating solenoids and fuses within a compact housing. In one approach, a fuse apparatus (100) may include a housing (102) including a main body (104), a cover (106) coupled to a first side (110) of the main body (104), and a base (112) coupled to a second side (116) of the main body (104), wherein the cover (106) and the main body (104) define a fuse cavity (120), and wherein the base (112) and the main body (104) define a main cavity. (122) The fuse apparatus (100) may further include a plurality of fuses (124) disposed within the fuse cavity (120), and a plurality of solenoids (130) electrically connected to a printed circuit board (PCB) (132), wherein the plurality of fuses (124) is disposed above the PCB (132), and wherein the PCB (132) is positioned within the main cavity (122).

Abstract: A first busbar includes a first electrical connection portion that is electrically connected to a main relay, a first heat transfer connection portion that is thermally connected to the insulating plate, and a first detour portion that connects the first electrical connection portion and the first heat transfer connection portion to each other. A second busbar includes a second electrical connection portion that is electrically connected to the main relay, a second heat transfer connection portion that is thermally connected to the insulating plate, and a lateral detour portion and a lower detour portion that connect the second electrical connection portion and the second heat transfer connection portion to each other.

Abstract: Provided is an electrical connection box that includes: a box main body having one surface on which a plurality of component mounting portions in which electrical components are to be mounted are provided; a cover member covering the one surface of the box main body; a lock mechanism including a locked portion provided on a peripheral wall portion of the box main body and an elastic lock portion provided in a cantilever shape on the cover member. The top wall portion of the cover member is made of a resin material with a greater thermal conductivity than the elastic lock portion provided on the peripheral wall portion of the cover member, whereas the elastic lock portion provided on the peripheral wall portion of the cover member is made of a resin material with a greater elasticity than the top wall portion of the cover member.

Abstract: An inverter casing and a connection structure of an inverter and a junction box are provided. The inverter casing includes an upper casing with an inner side that is provided with a cavity for accommodating a circuit board, and an upper surface that is provided with a junction recess for accommodating a junction box that is fixedly installed in the junction recess. Moreover, a bottom part of the junction recess is provided with an elastic protrusion for connecting a high-voltage protection device, and two incoming terminals. The elastic protrusion cooperates with a knockout pin on the junction box for high-voltage power-off protection, and the two incoming terminals are connected with external cables via the junction box.

Abstract: There is provided a method of renewing a passenger conveyor that is capable of preventing the passenger conveyor from being unavailable for a long time period when the passenger conveyor is renewed in a stepped manner. The method of renewing a passenger conveyor includes a safety device update process of updating an existing safety device to a new safety device in the passenger conveyor, and a drive machine and control panel update process of, after the safety device update process, updating an existing drive machine of the passenger conveyor to a new drive machine and updating an existing control panel of the passenger conveyor to a new control panel.

Abstract: A modular power source comprises a middle block having a housing, comprising a connector for receiving power from a supply of electricity, and at least one electrical socket on a face of the middle block, at least one wing assembly, comprising at least one connector on a face of the wing assembly, the connector configured to form an electrical connection between the wing assembly and the inner block, and at least one controllable electrical socket, and at least one computing device configured to connect or disconnect the at least one controllable electrical socket from the power source, wherein the at least one wing assembly is configured to rotate about an axis with respect to the middle block when electrically connected to the middle block via the electrical connection. Alternative embodiments are also disclosed.

Abstract: The invention relates to a switch cabinet arrangement having at least one switch cabinet and at least one power strip, the power strip being fixed to a vertical profile inside the switch cabinet via an adapter, wherein the adapter is a hook-in adapter which has a first adapter part on the vertical profile and a second adapter part on the power strip, the power strip being hooked into the first adapter part on the vertical profile via the second adapter part.

Abstract: Disclosed is a battery module capable of reducing manufacturing costs and improving manufacturing efficiency. The battery module includes a cell assembly having a plurality of secondary batteries; a battery management unit having a printed circuit board with a printed circuit, the printed circuit board having a connecting portion on inner and outer peripheries of which a connecting conductor is coated to be electrically connected to the printed circuit; and a bus bar plate having a plate shape, the bus bar plate having a connection portion configured to electrically connect the plurality of secondary batteries and a sensing portion with a strip form elongated from one side end of the connection portion, the sensing portion having a bent structure where a longitudinal end thereof is bent at least two times, at least a part of the bent structure being in elastic contact with an inside of the connecting portion.

Abstract: An electrical receptacle contains a plug outlet that has a pair of contacts for electrical connection to respective hot and neutral power lines. A controlled switch, such as a TRIAC, is connected in series relationship between the outlet contact and the hot power line. Sensors in the receptacle outputs signals to a processor having an output coupled to the control terminal of the controlled switch. The processor outputs an activation signal or a deactivation signal to the controlled switch in response to received sensor signals that are indicative of conditions relative to the first and second contacts.

Abstract: A quick junction box includes a junction box base having a cavity suitably sized and shaped for receiving therein the first set of existing wires and the second set of existing wires, a plurality of electrically conductive members housed within the junction box base, a junction box cover lid having a plurality of apertures for receiving a plurality of existing fasteners therethrough, and a lock for attaching the junction box cover lid to the junction box base. The plurality of electrically conductive members are configured to enable electrical connections between the first set of existing wires and the second set of existing wires while the first set of existing wires and the second set of existing wires remain physically spaced apart within the junction box housing.

Abstract: The present disclosure describes strand mounts for small cell radios and/or antennas. A strand mount may include a plurality of polymeric mounting tubes configured such that one or more small cell radios and/or antennas can be mounted thereto, a pair of polymeric retaining members, each retaining member having a plurality of apertures sized and configured to receive a corresponding end of each mounting tube, and one or more mounting brackets configured to secure the strand mount on a cable strand. Stand mount assemblies are also described herein.

Abstract: A shield device includes: a first electrical conductor; an electrical insulator that is configured to electrically insulate the first electrical conductor from a second electrical conductor; a first shield connector configured to: directly contact at least 180 degrees of a first circumference of a first shield that surrounds at least two first insulated conductors of a first section of a shielded cable; and electrically connect the first shield with the first electrical conductor; and a second shield connector configured to: directly contact at least 180 degrees of a second circumference of a second shield that surrounds at least two second insulated conductors of a second section of the shielded cable; and electrically connect the second shield with the first electrical conductor.

Abstract: A protective hood for outdoor electrical outlets or receptacles has an angled top surface, two side panels, and an angled bottom surface having an aperture. In one variant of the protective hood, the aperture in is configured to receive power cords for connection to an electrical outlet over which the protective hood has been mounted, such as an existing electrical outlet installed on a building wall or a power pedestal. In another variant of the protective hood, the aperture in the angled bottom surface is configured to allow an electrical outlet to be installed directly therein, but with the protective hood still being mountable over an electrical outlet on a building wall or power pedestal instead of having an electrical outlet installed in the aperture.

Abstract: The invention relates to a mounting support intended to make it easier to connect at least one free connector to a complementary connector, the free connector being mounted at one end of an electric cable, the complementary connector being able to be mounted on an electronic board, the mounting support comprising a base and, for each free connector, a first impression and a second impression formed in a face of the base, the first impression being designed to receive a head of the free connector and comprising first holding means designed to keep the head of the free connector in the first impression, the second impression being designed to accommodate a connecting portion of the free connector and of the electric cable, and comprising second holding means designed to keep the connecting portion in the second impression.

Abstract: A resin structure includes a first resin body, having an annular first side wall portion, a second resin body having a second side wall portion, and a third resin body having an annular third side wall portion. The second resin body is assembled to the first resin body, such that an upper edge of the second side wall portion and at least a portion of an annular lower edge of the first side wall portion in a circumferential direction are aligned. The third resin body is assembled to the second resin body, such that an annular upper edge of the third side wall portion and at least a lower edge of the second side wall portion are aligned.

Abstract: A housing includes a first mounting portion having a first through hole penetrating in a first direction and a second mounting portion having a second through hole penetrating in the first direction. The second mounting portion is disposed separately from the first mounting portion to one side in a second direction and is disposed closer to one side in a third direction than the first mounting portion. The first fixed terminal includes a first fastening portion that is exposed outside the housing closer to one side in the third direction than the first mounting portion. The second fixed terminal includes a second fastening portion that is exposed outside the housing closer to an opposite side in the third direction than the second mounting portion and that is disposed closer to the opposite side in the third direction than the first fastening portion.

Abstract: A terminal holder for accommodating a plurality of terminal fittings that are attached to respective ends of a plurality of electrical wires, each of the plurality of terminal fittings including a connection that is connected and fixed to an attachment object through a bolt inserted in the connection, and a fixing portion that is fixed to the electrical wire, the terminal holder including: a plurality of through holes in which the connections of the plurality of terminal fittings are to be respectively disposed and that expose the connections; a plurality of accommodations for respectively accommodating the fixing portions of the plurality of terminal fittings; and a partition wall continuously extending between the fixing portions and between the connections of adjacent terminal fittings.

Abstract: A shield device includes: an electrical conductor; an electrical insulator that is configured to electrically insulate the electrical conductor from a DIN rail and to hang the shield device from the DIN rail; a first shield connector configured to: directly contact at least 180 degrees of a first circumference of a first shield that surrounds at least two insulated conductors of a first section of a shielded cable; and electrically connect the first shield with the electrical conductor; and a second shield connector configured to: directly contact at least 180 degrees of a second circumference of a second shield that surrounds at least two insulated conductors of a second section of the shielded cable; and electrically connect the second shield with the electrical conductor.

Abstract: A main body of a wire leading tool including a lid body that covers the main body in a detachable manner is configured to include a flat plate-shaped base portion, a base hole portion that is penetratingly provided in the base portion, a standing wall portion that stands from the base portion in a U shape and surrounds the base hole portion by a curved portion of the U shape, and a connector supporting portion that stands from the base portion at a position closer to the base hole portion relative to an open end of the U shape of the standing wall portion, is continuous to the standing wall portion on both sides, and has an insertion hole which is penetratingly provided for inserting a pipe connecter.

Abstract: An electrical safety system, for use in a wet area, the electrical safety system comprising a resealable housing, for installation into the wet area, a conductive bar extending through a side of the housing, for installation against a conductive element adjacent to the housing and an electrical coupling, coupled to the bar and housed in the housing, for coupling to an earth wire to earth the bar and thus the conductive element.

Abstract: Cable, which can be connected at one end to a connector, having at least two cores, a shield, an insulator, which is formed between the cores and the shield, and having a sleeve, which is formed at the end of the cable, wherein the sleeve comprises a first region with an oblong cross-section and a second region with a round cross-section.

Abstract: A multi-gang electrical box includes an electrical enclosure defining opposed side walls, a lower wall, an upper wall, and a rear wall. The rear wall has a perimeter adjoining the side walls, the lower wall, and the upper wall to form a cavity. The electrical enclosure has a centrally registered longitudinal axis traversing the lower wall and the upper wall. A complementary cover assembly is configured to removably affix to an opening of the cavity of the electrical enclosure. A plurality of linear grooves disposed along an interior surface of the opposed sidewalls, respectively, and spaced from the lower wall and the upper wall. A plurality of chamfered channels are disposed at the rear wall for receiving electrical wires therethrough. Each of the upper wall and the rear wall has a corresponding smooth, planar, and uninterrupted inner surface, respectively.

Abstract: A power distributor includes a detachable display and a power distribution unit. The power distribution unit includes a plurality of electrical sockets and a display port available to provide connection to the detachable display. Configuration parameters are stored within the power distribution unit. The detachable display includes a memory that contains configuration information for the power distribution unit. The configuration information can be transmitted through the display port to the power distribution unit and stored by the power distribution unit as the configuration parameters.

Abstract: A multi-tap device for a cable television (CATV) system includes a tap housing and a first circuit board positioned within and removably connected to the tap housing. A directional coupler is connected to the first circuit board. A faceplate is integral with the tap housing. One or more subscriber tap ports are connected to the faceplate. An access cover is connected to the tap housing. The access cover is configured to be opened to provide access to an interior of the tap housing for a user to disconnect the first circuit board from the tap housing.

Abstract: An electric connection box includes a frame having a cylindrical outer wall, and a cover having a side wall fitted into one end in an axial direction of the outer wall. The outer wall has a plate-shaped protruded portion, and the protruded portion has a pair of side portions respectively placed at one end and the other end in a width direction. The side wall has a pair of edge portions and has a notch between the pair of edge portions. Each of the pair of edge portions has a first facing surface and a second facing surface. The first facing surface abuts on the pair of side portions in a thickness direction of the protruded portion, and the second facing surface faces the pair of side portions in the width direction and positions the cover with respect to the frame.

Abstract: A terminal accommodating body includes a terminal accommodating chamber for each coupling terminal capable of accommodating a coupling terminal capable of being electrically connected to a terminal of an electronic component, and a terminal holding portion that holds the coupling terminal. In all the terminal accommodating chambers, in a plurality of common accommodating chambers in which the coupling terminal and one terminal portion in a one plate-like bus bar having a plurality of terminal portions electrically connectable to the terminal of the electronic component are capable of being replaced and accommodated, and a partition wall between the adjacent common accommodating chambers has an inter-chamber inserting portion into which the coupling portion is inserted in an accommodated state of the terminal portion to the common accommodating chamber, in order to accommodate a coupling portion in the common accommodating chamber.

Abstract: A power distributor has a plurality of electrical sockets and a plurality of display ports. Each display port in the plurality of display ports is available to provide connection to a detachable display. The display ports in the plurality of display ports are located at different locations on the power distributor so that when the detachable display is mounted on a first display port of the plurality of display ports, the detachable display faces in a direction that is different than any other directions the detachable display would face if mounted on any other display port in the plurality of display ports.

Abstract: A terminal block including a partition walls with curved edges. The partition walls with curved edges is erected between a plurality of terminals to separate the adjacent terminals to insulate. The partition walls with curved edges. The partition walls with curved edges includes an upper end surface and both side surfaces. Each of the both side surfaces includes a taper surface tilted downward and continuous to the upper end surface, and a vertical surface which is continuous to a lower side of the taper surface and positions a connection counterpart terminal to be connected with one of the plurality of terminal at a position of connection with the terminal. The partition walls with curved edges serve to guide the counterpart terminals into position for attachment to terminals of the block.

Abstract: A switch box or outlet box with no wire nuts having three bus bars, one for each of the hot, neutral, and ground wires of a three conductor wire. Separate conductors are connected between the bus bars and an electrical component, such as an outlet or switch thereby eliminating the need for wire nuts.

Abstract: A connection device for conductors has one or more single conductor terminals which are formed as direct plug connections. Each conductor terminal has a metal contact element such as a metal clamping cage, a spring support made of a non-conductive material such as plastic, and a clamping spring. Each of the spring supports is placed on at least one corresponding receiving element made of a non-conductive material.

Abstract: A gland assembly includes a gland body (3) and a cap nut (5) connected by screw threads (25). A cable holding device (11) is received within the cap nut (5) and has a plurality of fingers (19) configured to apply a gripping force to a cable (7) extending through the gland assembly in response to a torque applied to the cap nut (5).The fingers (19) are configured to increase the gripping force on the cable (7) in response to a linear force applied to the elongate member.

Abstract: A power conversion apparatus capable of cheaply securing safety and achieving watertightness. The power conversion apparatus (100) has: a charging device (14) for charging from an external power source (20) to a cell (30); an inverter (13) for converting the current of the cell (30) from direct current to alternating current and supplying the current to a motor (40); and a junction box (15) for relaying an electrical connection. The inverter (13), the charging device (14), and the junction box (15) are contained in a single housing. Also, the charging device (14) and the junction box (15) are electrically connected, and the junction box (15) and the inverter (13) are electrically connected. Also, the junction box (15) and the inverter (13) are connected by a bus bar (16).

Abstract: A power distribution unit including a plurality of outlet cores arranged along an outlet panel of a housing and mounted to one or more circuit boards with an unobstructed space between adjacent pairs of the plurality of outlet cores. The outlet cores each extend a portion of the distance between the circuit boards and the outlet panel, and the outlet panel includes a plurality of apertures each corresponding to an associated one of the plurality of outlet cores. One or more overcurrent protection devices are mounted in a non-outlet panel aligned along the length of the housing.

Abstract: A seal cover (40) is mounted on a shield connector (20) of a device case (10) and includes a cover body (41), a second sealing member (43), a shield shell (51) and shell fixing bolts (B) that are inserted through third bolt insertion holes (55) of the shield shell (51) with clearances (C1) between the shell fixing bolts (B) and edges of the third bolt insertion holes (55). The cover body (41) includes a restricting protrusion (48) that is inserted through a restricting hole of the shield shell (51) with a clearance (C2) defined between the restricting protrusion (48) and an edge of the restricting hole (58). The size of the clearance (C2) is such that the restricting protrusion (48) does not contact the edge of the restricting hole (58) even if the shield shell (51) rotates as the shell fixing bolt (B) is tightened.

Abstract: A headlight unit 10, 110 is described including a reflector 12 and a lamp mounting cavity 20. A lamp 30, 130 is mounted within the lamp mounting cavity 20. The lamp mounting cavity 20 is sealed by a cap 40 of partly flexible material. The cap 40 is provided as a heat spreader and dissipation element in thermal contact with the lamp 30.

Abstract: The invention relates to a waterproof electronic control device such that a connector unit is inserted into at least one wall face of a case, a control substrate is incorporated in a housing chamber formed of the case and connector unit, an aperture portion and an upper face of the connector unit are covered with a cover, and a waterproofing member is disposed on a contact surface of each of the case, connector unit, and cover. A structure is such that a first inclined portion is provided in a side wall of one portion of the case, a regulating wall is provided in a direction opposing an inclined face of the first inclined portion, a second inclined portion of the connector unit is provided in a position opposing the first inclined portion and comes into contact with an inner face of the regulating wall when inserted into the case, and the first inclined portion and the second inclined portion come into contact at a final insertion stage of the second inclined portion.

Abstract: A connection device for connecting at least two electric cables to an electric machine in a vehicle includes a housing and at least two contact elements. At least two openings, each allowing the passage of one of the cables, are located in the housing wall in such a way that only one of the cables that are fed in a direction through the openings in the housing and that continue to run in a straight line in the direction inside the housing makes direct contact with precisely one of the contact elements and can be electrically connected to this contact. All the other cables can be connected to a respective element of the remaining contact elements using a respective conductor bar.

Abstract: An example terminal block includes an annular arrangement of terminal pairs. Each of the terminal pairs has a first height and is adjacent another terminal pair having a second height different from the first height.