EP0076720A1 - Terminal post for conducting cables to an electrical apparatus - Google Patents

Terminal post for conducting cables to an electrical apparatus Download PDF

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Publication number
EP0076720A1
EP0076720A1 EP82401700A EP82401700A EP0076720A1 EP 0076720 A1 EP0076720 A1 EP 0076720A1 EP 82401700 A EP82401700 A EP 82401700A EP 82401700 A EP82401700 A EP 82401700A EP 0076720 A1 EP0076720 A1 EP 0076720A1
Authority
EP
European Patent Office
Prior art keywords
screw
cable
terminal
cables
screws
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82401700A
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German (de)
French (fr)
Other versions
EP0076720B1 (en
Inventor
Pierre Batteux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0076720A1 publication Critical patent/EP0076720A1/en
Application granted granted Critical
Publication of EP0076720B1 publication Critical patent/EP0076720B1/en
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
    • H01R9/18—Fastening by means of screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/32—Conductive members located in slot or hole in screw

Definitions

  • the invention relates to a cable clamp terminal for connecting conductive cables to an electrical appliance having a clamp-shaped terminal body confining two superimposed housings, each arranged to receive the end of a cable and two screws of tightening capable of being screwed into a threaded orifice of said body extending transversely to said housings, one intermediate of the screws tightening the cable inserted in the lower housing between the bottom of the bracket and the intermediate screw and the other upper tightening the cable inserted in the upper housing between the intermediate screw and the upper screw.
  • the second cable is subsequently introduced and the upper screw wedges the cable between the two screws. After mounting, the intermediate screw is no longer accessible and it is impossible to subsequently check that the cables are properly tightened or to carry out additional tightening to compensate for some compaction of the cable strands.
  • the object of the present invention is to remedy this drawback and to allow the production of a terminal of reduced width for the connection of two superimposed conducting cables allowing subsequent tightening after packing of the cables.
  • the terminal according to the present invention is characterized in that the tapping of the intermediate screw has a longitudinal play allowing limited axial sliding of the intermediate screw immobilized in rotation.
  • the internal thread advantageously extends over the entire length of the internal orifice, the corresponding axial clearance of the two screws having no effect on the upper screw.
  • the thread is advantageously square threaded which further reduces the lateral forces exerted on the bracket forming the body of the terminal.
  • a body 10 of a connection terminal of generally parallelepiped shape has a recess 11 of elongated shape passing right through the body 10.
  • the width of the recess 11 is slightly greater than the section of cables 18, 20 to be connected, the height or length of the recess 11 being sufficient for the insertion of the ends of two superimposed cables 18, 20.
  • the bottom 12 of the body 10 is joined and fixed to the upper face of a track 14 of an electrical appliance by a fixing bolt 16.
  • the recess 11 extends parallel to the track 14 and a tapped hole 22, formed in the body 10 , extends perpendicular to the recess 11 along the longitudinal axis of the body identified in Figure 1 by the line II-II.
  • the tapped hole 22 opens on the upper face 24 of the body 10 and is extended at the base by an orifice of reduced section 23 for passage of the bolt 16.
  • the tapped hole 22 receives two clamping screws, an intermediate screw 26 and an upper screw 28.
  • the intermediate screw subdivides the housing formed by the recess 11 into a lower housing receiving the end of the cable 20 and an upper housing receiving the end of the cable 18.
  • the thread of the hole 22 and of the screws 26, 28 is at square thread, the height h of the thread being notably less than half the pitch p, so as to obtain a significant clearance allowing axial sliding of the screws 26, 28 without rotation of the latter.
  • the screws 26, 28 have on their upper face a hexagonal recess 30 for insertion of a tightening tool and on their lower face a pivot 32 for penetration between the strands 34 of the cables 18, 20.
  • the body 10 is advantageously made of a molded conductive material and the clearance thread 22 advantageously extends over the entire height of the hole. It is clear that the upper screw 28 does not require mounting with play, and that it would not depart from the scope of the invention to produce a terminal in which only the intermediate screw 26 has a possibility of axial sliding. The invention also applies to terminals capable of receiving a greater number of superimposed conductors.

Abstract

L'invention est relative a une borne susceptible de recevoir deux conducteurs ou câbles (18, 20) superposés. Entre les câbles (18, 20) est insérée une vis de serrage intermédiaire (26) susceptible de se déplacer axialement en étant immobilisée en rotation de manière à transmettre au câble inférieur (20) un effort de resserrage exercé après un certain temps d'exploitation par rotation de la vis supérieure (28).The invention relates to a terminal capable of receiving two superimposed conductors or cables (18, 20). Between the cables (18, 20) is inserted an intermediate clamping screw (26) capable of moving axially while being immobilized in rotation so as to transmit to the lower cable (20) a tightening force exerted after a certain operating time. by rotation of the upper screw (28).

Description

L'invention est relative à une borne serre-câble pour le raccordement de câbles conducteurs à un appareil électrique ayant un corps de borne en forme d'étrier confinant deux logements superposés, chacun agencé pour recevoir l'extrémité d'un câble et deux vis de serrage susceptibles d'être vissées dans un orifice taraudé dudit corps s'étendant transversalement auxdits logements, l'une intermédiaire des vis serrant le câble inséré dans le logement inférieur entre le fond de l'étrier et la vis intermédiaire et l'autre supérieure serrant le câble inséré dans le logement supérieur entre la vis intermédiaire et la vis supérieure.The invention relates to a cable clamp terminal for connecting conductive cables to an electrical appliance having a clamp-shaped terminal body confining two superimposed housings, each arranged to receive the end of a cable and two screws of tightening capable of being screwed into a threaded orifice of said body extending transversely to said housings, one intermediate of the screws tightening the cable inserted in the lower housing between the bottom of the bracket and the intermediate screw and the other upper tightening the cable inserted in the upper housing between the intermediate screw and the upper screw.

Pour certaines applications il est nécessaire de relier à chaque borne d'un appareil électrique, notamment d'un disjoncteur à boîtier moulé de forte puissance, deux câbles ou fils conducteurs. On a déjà proposé un connecteur en forme de bloc conducteur fixé sur la plage de connexion du disjoncteur et présentant deux trous juxtaposés destinés à recevoir des câbles de connexion. La largeur de cette borne est trop grande pour des disjoncteurs à boîtier moulé modernes, et pour remédier à cet inconvénient, on a prévu une disposition superposée des deux câbles de connexion. Dans ce cas, il est nécessaire de prévoir une vis intermédiaire de serrage intercalée entre les deux câbles,pour assurer une bonne connexion électrique entre les câbles et la borne. La borne étant fixée à la plage du disjoncteur, on introduit d'abord le câble inférieur et on serre la vis intermédiaire coinçant ce câble contre le fond de la borne. On introduit par la suite le deuxième câble et la vis supérieure vient coincer le câble entre les deux vis. Après montage la vis intermédiaire n'est plus accessible et il est impossible de vérifier par la suite le bon serrage des câbles ou d'effectuer un serrage complémentaire compensant un certain tassement des brins du câble.For certain applications, it is necessary to connect to each terminal of an electrical appliance, in particular a high-power molded case circuit breaker, two conductive cables or wires. A connector has already been proposed in the form of a conductive block fixed on the connection area of the circuit breaker and having two juxtaposed holes intended to receive connection cables. The width of this terminal is too large for modern molded case circuit breakers, and to remedy this drawback, an overlapping arrangement of the two connection cables has been provided. In this case, it is necessary to provide an intermediate clamping screw interposed between the two cables, to ensure a good electrical connection between the cables and the terminal. The terminal being fixed to the circuit breaker range, the lower cable is first introduced and the intermediate screw wedging this cable tightened against the bottom of the terminal. The second cable is subsequently introduced and the upper screw wedges the cable between the two screws. After mounting, the intermediate screw is no longer accessible and it is impossible to subsequently check that the cables are properly tightened or to carry out additional tightening to compensate for some compaction of the cable strands.

La présente invention a pour but de remédier à cet inconvénient et de permettre la réalisation d'une borne de largeur réduite pour le raccordement de deux câbles conducteurs superposés permettant un resserrage ultérieur après tassement des câbles.The object of the present invention is to remedy this drawback and to allow the production of a terminal of reduced width for the connection of two superimposed conducting cables allowing subsequent tightening after packing of the cables.

La borne selon la présente invention est caractérisée par le fait que le taraudage de la vis intermédiaire présente un jeu longitudinal autorisant un coulissement axial limité de la vis intermédiaire immobilisée en rotation.The terminal according to the present invention is characterized in that the tapping of the intermediate screw has a longitudinal play allowing limited axial sliding of the intermediate screw immobilized in rotation.

Le taraudage à jeu s'étend avantageusement sur toute la longueur de l'orifice taraudé, le jeu axial correspondant des deux vis étant sans effet sur la vis supérieure. Le filetage est avantageusement à filet carré ce qui réduit de plus les efforts latéraux exercés sur l'étrier formant le corps de la borne.The internal thread advantageously extends over the entire length of the internal orifice, the corresponding axial clearance of the two screws having no effect on the upper screw. The thread is advantageously square threaded which further reduces the lateral forces exerted on the bracket forming the body of the terminal.

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode de mise en oeuvre de l'invention, donné à titre d'exemple non limitatif et représenté aux dessins annexés, dans lesquels :

  • la figure 1 est une vue en élévation, partiellement arrachée, d'une borne selon l'invention, fixée sur une plage d'un appareil électrique;
  • la figure 2 est une coupe partielle suivant la ligne II-II de la figure 1, un seul câble et la vis de serrage associée étant mis en place;
  • les figures 3 et 4 sont des coupes suivant la ligne II-II, montrant la borne respectivement après mise en place des deux câbles et après resserrage.
Other advantages and characteristics will emerge more clearly from the description which follows of an embodiment of the invention, given by way of nonlimiting example and represented in the appended drawings, in which:
  • Figure 1 is an elevational view, partially broken away, of a terminal according to the invention, attached to a range of an electrical device;
  • Figure 2 is a partial section along the line II-II of Figure 1, a single cable and the associated clamping screw being put in place;
  • Figures 3 and 4 are sections along line II-II, showing the terminal respectively after installation of the two cables and after tightening.

Sur les figures, un corps 10 d'une borne de connexion de forme générale parallélépipédique présente un évidement 11 de forme allongée traversant de.part en part le corps 10.In the figures, a body 10 of a connection terminal of generally parallelepiped shape has a recess 11 of elongated shape passing right through the body 10.

La largeur de l'évidement 11 est légèrement supérieure à la section de câbles 18, 20 à raccorder, la hauteur ou longueur de l'évidement 11 étant suffisante pour l'insertion des extrémités de deux câbles superposés 18, 20. Le fond 12 du corps 10 est accolé et fixé sur la face supérieure d'une plage 14 d'un appareil électrique par un boulon de fixation 16. L'évidement 11 s'étend parallèlement à la plage 14 et un trou taraudé 22, ménagé dans le corps 10, s'étend perpendiculairement à l'évidement 11 suivant l'axe longitudinal du corps repéré sur la figure 1 par la ligne II-II. Le trou taraudé 22 débouche sur la face supérieure 24 du corps 10 et se prolonge à la base par un orifice de section réduite 23 de passage du boulon 16. Le trou taraudé 22 reçoit deux vis de serrage, une vis intermédiaire 26 et une vis supérieure 28. La vis intermédiaire subdivise le logement formé par l'évidement 11 en un logement inférieur recevant l'extrémité du câble 20 et un logement supérieur recevant l'extrémité du câble 18. Le filetage du trou 22 et des vis 26, 28 est à filet carré, la hauteur h du filet étant notablement inférieure à la moitié du pas p, de manière à obtenir un jeu notable permettant un coulissement axial des vis 26, 28 sans rotation de ces dernières. Les vis 26, 28 présentent sur leur face supérieure un évidement hexagonal 30 d'insertion d'un outil de serrage et sur leur face inférieure un pivot 32 de pénétration entre les torons 34 des câbles 18, 20.The width of the recess 11 is slightly greater than the section of cables 18, 20 to be connected, the height or length of the recess 11 being sufficient for the insertion of the ends of two superimposed cables 18, 20. The bottom 12 of the body 10 is joined and fixed to the upper face of a track 14 of an electrical appliance by a fixing bolt 16. The recess 11 extends parallel to the track 14 and a tapped hole 22, formed in the body 10 , extends perpendicular to the recess 11 along the longitudinal axis of the body identified in Figure 1 by the line II-II. The tapped hole 22 opens on the upper face 24 of the body 10 and is extended at the base by an orifice of reduced section 23 for passage of the bolt 16. The tapped hole 22 receives two clamping screws, an intermediate screw 26 and an upper screw 28. The intermediate screw subdivides the housing formed by the recess 11 into a lower housing receiving the end of the cable 20 and an upper housing receiving the end of the cable 18. The thread of the hole 22 and of the screws 26, 28 is at square thread, the height h of the thread being notably less than half the pitch p, so as to obtain a significant clearance allowing axial sliding of the screws 26, 28 without rotation of the latter. The screws 26, 28 have on their upper face a hexagonal recess 30 for insertion of a tightening tool and on their lower face a pivot 32 for penetration between the strands 34 of the cables 18, 20.

Le raccordement est effectué de la manière suivante :

  • Le corps 10 est fixé sur la plage 14 par le boulon 16 dont la vis enfilée par l'orifice 22 traverse des trous 23 ménagés dans le fond du corps 10 et dans la plage 14. On insère par la suite l'extrémité du câble inférieur 20 dans l'évidement 11 et la vis intermédiaire 26 est vissée dans le trou fileté 22 jusqu'au serrage avec écrasement des torons 34 du câble 20 (voir figure 2). Le câble supérieur 18 est inséré dans l'évidement 11 au-dessus de la vis intermédiaire 26 et serré par la vis supérieure 28 vissée dans le trou fileté 22. En se référant à la figure 3, on voit que le câble 18 est serré entre les vis 26, 28, et que sous l'effet de serrage la vis 26 s'est déplacée axialement en créant un jeu J1 relativement faible au niveau du filetage. Après un certain temps d'exploitation, au cours duquel l'appareil a subi des cycles thermiques et un certain tassement des brins de câbler on effectue un resserrage en faisant tourner la vis supérieure 28. L'effet de resserrage est transmis à la vis intermédiaire 26, qui subit un coulissement additionnel se traduisant par un jeu J2 d'une valeur supérieure au jeu J1. Il est facile de comprendre que la rotation de la vis 28 assure un resserrage des deux câbles 18, 20 grâce à la possibilité de coulissement axial de la vis intermédiaire 26 (figure 4).
The connection is made as follows:
  • The body 10 is fixed to the pad 14 by the bolt 16, the screw of which is threaded through the orifice 22 passes through holes 23 made in the bottom of the body 10 and in the pad 14. The end of the lower cable is subsequently inserted 20 in the recess 11 and the intermediate screw 26 is screwed into the threaded hole 22 until the strands 34 of the cable 20 are clamped with crushing (see FIG. 2). The upper cable 18 is inserted into the recess 11 above the intermediate screw 26 and tightened by the upper screw 28 screwed into the threaded hole 22. With reference to FIG. 3, it can be seen that the cable 18 is tightened between the screws 26, 28, and that under the tightening effect the screw 26 has moved axially, creating a relatively small clearance J 1 at the thread. After a certain operating time, during which the apparatus has undergone thermal cycles and a certain compaction of the strands of the cable, a tightening is carried out by turning the upper screw 28. The tightening effect is transmitted to the intermediate screw. 26, which undergoes an additional sliding resulting in a clearance J 2 of a value greater than the clearance J 1 . It is easy to understand that the rotation of the screw 28 ensures a tightening of the two cables 18, 20 thanks to the possibility of axial sliding of the intermediate screw 26 (FIG. 4).

Le corps 10 est avantageusement en une matière conductrice moulée et le filetage à jeu 22 s'étend avantageusement sur toute la hauteur du trou. Il est clair que la vis supérieure 28 ne nécessite pas un montage avec jeu, et qu'on ne sortirait pas du cadre de l'invention en réalisant une borne dans laquelle seule la vis intermédiaire 26 possède une possibilité de coulissement axial. L'invention s'applique également à des bornes susceptibles de recevoir un plus grand nombre de conducteurs superposés.The body 10 is advantageously made of a molded conductive material and the clearance thread 22 advantageously extends over the entire height of the hole. It is clear that the upper screw 28 does not require mounting with play, and that it would not depart from the scope of the invention to produce a terminal in which only the intermediate screw 26 has a possibility of axial sliding. The invention also applies to terminals capable of receiving a greater number of superimposed conductors.

Claims (4)

1. Borne serre-câble pour le raccordement de câbles conducteurs (18, 20) à un appareil électrique ayant un corps (10) de borne en forme d'étrier confinant deux logements (11) superposés, chacun agencé pour recevoir l'extrémité d'un câble et deux vis de serrage (26, 28) susceptibles d'être vissées dans un orifice taraudé (22) dudit corps s'étendant transversalement auxdits logements (11), l'une intermédiaire (26) des vis serrant le câble (20) inséré dans le logement inférieur entre le fond (12) de l'étrier et la vis intermédiaire (26) et l'autre supérieure (28) serrant le câble (18) inséré dans le logement supérieur entre la vis intermédiaire (26) et la vis supérieure (28), caractérisée par le fait que le taraudage de la vis intermédiaire (26) présente un jeu longitudinal autorisant un coulissement axial limité de la vis intermédiaire (26) immobilisée en rotation.1. Cable clamp terminal for connecting conductive cables (18, 20) to an electrical appliance having a clamp-shaped terminal body (10) confining two superimposed housings (11), each arranged to receive the end d '' a cable and two clamping screws (26, 28) capable of being screwed into a threaded orifice (22) of said body extending transversely to said housings (11), one intermediate (26) of screws tightening the cable ( 20) inserted in the lower housing between the bottom (12) of the bracket and the intermediate screw (26) and the other upper (28) tightening the cable (18) inserted in the upper housing between the intermediate screw (26) and the upper screw (28), characterized in that the tapping of the intermediate screw (26) has a longitudinal clearance allowing limited axial sliding of the intermediate screw (26) immobilized in rotation. 2. Borne selon la revendication 1, caractérisée en ce que le taraudage à jeu s'étend sur toute la longueur de l'orifice taraudé (22) et coopère avec lesdites deux vis (26, 28).2. Terminal according to claim 1, characterized in that the internal thread extends over the entire length of the threaded orifice (22) and cooperates with said two screws (26, 28). 3. Borne selon la revendication 1 ou 2, caractérisée en ce que le taraudage (22) et la vis (26, 28) présentent des filets carrés.3. Terminal according to claim 1 or 2, characterized in that the thread (22) and the screw (26, 28) have square threads. 4. Borne selon la revendication 1, 2 ou 3, caractérisé en ce que le fond (12) de l'étrier (10) est susceptible d'être accolé à une plage (14) de connexion d'un appareil électrique et présente un trou dans le prolongement de l'orifice taraudé (22) pour recevoir un boulon (16) de fixation de l'étrier à la plage.4. Terminal according to claim 1, 2 or 3, characterized in that the bottom (12) of the bracket (10) is capable of being attached to a pad (14) for connection of an electrical device and has a hole in the extension of the threaded hole (22) to receive a bolt (16) for fixing the caliper to the shelf.
EP82401700A 1981-10-05 1982-09-20 Terminal post for conducting cables to an electrical apparatus Expired EP0076720B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8118839A FR2514205A1 (en) 1981-10-05 1981-10-05 TERMINAL FOR CONNECTING CONDUCTIVE CABLES TO AN ELECTRICAL APPARATUS
FR8118839 1981-10-05

Publications (2)

Publication Number Publication Date
EP0076720A1 true EP0076720A1 (en) 1983-04-13
EP0076720B1 EP0076720B1 (en) 1985-09-18

Family

ID=9262811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401700A Expired EP0076720B1 (en) 1981-10-05 1982-09-20 Terminal post for conducting cables to an electrical apparatus

Country Status (5)

Country Link
US (1) US4466691A (en)
EP (1) EP0076720B1 (en)
JP (1) JPS58135583A (en)
DE (1) DE3266402D1 (en)
FR (1) FR2514205A1 (en)

Cited By (1)

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GB2151086A (en) * 1983-11-08 1985-07-10 Hepworth Electrical Developmen Electrical cable tap connectors

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CA2113805C (en) * 1991-07-17 2001-06-05 John W. Halpern Pocketsize electronic travel and commuter pass and a plurality of accounting systems.
WO1997006581A1 (en) * 1995-08-08 1997-02-20 Square D Company Cable clamp terminal for a circuit interrupter
FR2746900B1 (en) * 1996-03-27 1998-06-19 Valeo Vision OPTICAL BAR PROJECTOR FOR MOTOR VEHICLE
GB9902358D0 (en) * 1999-02-04 1999-03-24 B & H Nottingham Ltd Electrical connector
JP6777262B2 (en) * 2018-10-18 2020-10-28 Ｊｆｅスチール株式会社 Steel plate and its manufacturing method

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FR732342A (en) * 1931-03-24 1932-09-19 Cie Gen De Signalisation Improvements to terminals for electrical devices
US2148960A (en) * 1933-04-04 1939-02-28 Hubbard & Co Solderless connector
FR985538A (en) * 1949-02-22 1951-07-19 Interconnection terminal for distribution substations and junction boxes
FR2438334A1 (en) * 1978-10-05 1980-04-30 Merlin Gerin Connector terminal for low voltage switch - has hole formed through pressure screw, allowing fixing stud to be tightened

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR732342A (en) * 1931-03-24 1932-09-19 Cie Gen De Signalisation Improvements to terminals for electrical devices
US2148960A (en) * 1933-04-04 1939-02-28 Hubbard & Co Solderless connector
FR985538A (en) * 1949-02-22 1951-07-19 Interconnection terminal for distribution substations and junction boxes
FR2438334A1 (en) * 1978-10-05 1980-04-30 Merlin Gerin Connector terminal for low voltage switch - has hole formed through pressure screw, allowing fixing stud to be tightened

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151086A (en) * 1983-11-08 1985-07-10 Hepworth Electrical Developmen Electrical cable tap connectors

Also Published As

Publication number Publication date
FR2514205A1 (en) 1983-04-08
US4466691A (en) 1984-08-21
EP0076720B1 (en) 1985-09-18
JPS6323627B2 (en) 1988-05-17
JPS58135583A (en) 1983-08-12
DE3266402D1 (en) 1985-10-24
FR2514205B1 (en) 1983-11-18

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