DE2628633A1 - Polyphase branching:off terminal for LV plastics cables - has conducting elements in insulating body recesses ending in shafts with milling cutter at end - Google Patents

Polyphase branching:off terminal for LV plastics cables - has conducting elements in insulating body recesses ending in shafts with milling cutter at end

Info

Publication number
DE2628633A1
DE2628633A1 DE19762628633 DE2628633A DE2628633A1 DE 2628633 A1 DE2628633 A1 DE 2628633A1 DE 19762628633 DE19762628633 DE 19762628633 DE 2628633 A DE2628633 A DE 2628633A DE 2628633 A1 DE2628633 A1 DE 2628633A1
Authority
DE
Germany
Prior art keywords
insulating body
branch terminal
milling cutter
bore
terminal
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
DE19762628633
Other languages
German (de)
Other versions
DE2628633C2 (en
Inventor
Bernhard Freitag
Juergen Hinz
Karl-Heinz Osterwohldt
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.)
Felten and Guilleaume Energietechnik AG
Original Assignee
Felten and Guilleaume Carlswerk AG
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 Felten and Guilleaume Carlswerk AG filed Critical Felten and Guilleaume Carlswerk AG
Priority to DE2628633A priority Critical patent/DE2628633C2/en
Publication of DE2628633A1 publication Critical patent/DE2628633A1/en
Application granted granted Critical
Publication of DE2628633C2 publication Critical patent/DE2628633C2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/031—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for multiphase cables, e.g. with contact members penetrating insulation of a plurality of conductors
    • 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • 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
    • H01R4/36—Conductive members located under tip of screw

Landscapes

  • Cable Accessories (AREA)

Abstract

The terminal consists of a hollow cylindrical insulating body split lengthwise, with contacts. The insulating body (1) has radial recesses in which cylindrical conducting elements (2) with contacts are inserted. Their top has a hole (3) which opens into a transversal bore (4) with an outlet (5) connected with a recess (6) in an extension (7) of the insulating body (1). The lower part of the conducting element (2) consists of a shaft (10) with a thrust collar (8) and a seal (9), whose end is formed as a milling cutter (11).

Description

Mehrphasen-Abzwelgklemme fur KunststoffkabelMultiphase dowel terminal for plastic cables

im Niederspannungsbereich Die Erfindung betrifft eine Mehrphasen-Abzweigklemme für Kunststoff-.,~abel im DJiederspannungsbereich, bestehend aus einem hohlzylirtdri-:hen und längsgeteilten Isolierkörper mit Kontakteinrichtunger.in the low-voltage range The invention relates to a multi-phase branch terminal for plastic -., ~ cable in the low voltage range, consisting of a hollow cylinder and longitudinally divided insulating body with contact device.

Abzweigklemmen bilden in der Niederspannungstechnik ein wichtiges Bindeglied zwischen den Hauptkabeln und den Hausanschlüssen. Ma bezeichnet diese Abzweigklemmen daher auch als Hausanschlußmufferi.Branch terminals are important in low-voltage technology Link between the main cables and the house connections. Ma denotes this Branch terminals are therefore also used as house connection buffers.

Es sind bereits verschiedene Abzweigeinrichtungen bekannt, die man im wesentlichen in zwei Gruppen einteilen kann. Die erste Gruppe umfaßt Klemmeinrichtungen, die von einer starren und in sich mechanisch festen Außenschale umgeben sind. Damit werden die spannungsfUhrenden Teile vor Beschädigungen weitgehend geschützt. Um zu verhindern, daß Feuchtigkeit an die Klemmeinrichtungen gelangt, wird die Außenschale mit einer Vergußmasse ausgefUllt. Die zweite Gruppe von Klemmeinrichtungen wird gleichfalls von Muffen umgeben, wobei der mechanische Schutz durch eingegossenes Gießharz erzeugt wird. Hierbei besitzen die Muffenschalen lediglich die Funktion einer Form fUr das Gießharz.There are already various branch devices known that one can essentially be divided into two groups. The first group includes clamping devices, which are surrounded by a rigid and mechanically strong outer shell. In order to the live parts are largely protected from damage. Around to prevent moisture from reaching the clamping devices, the outer shell filled with a potting compound. The second group of clamping devices will also surrounded by sleeves, the mechanical protection by cast Cast resin is produced. Here the socket shells only have the function a mold for the casting resin.

Bei beiden AusfUhrungsformen von Klemmeinrichtungen rUr Hausanschlüsse werden besondere Muffenkörper benötigt, die nachträglich mit einer Vergußmasse gefUllt werden. Nun ist das Herstellen einer Vergußmasse und das anschließende Einfüllen in den Muffenkörper recht aufwendig, womit die Montagekosten bei dieser Anschlußtechnik eine erhebliche Rolle spielen.With both types of clamping devices for house connections special sleeve bodies are required, which are subsequently filled with a casting compound will. Now is the production of a casting compound and the subsequent filling in the sleeve body quite expensive, so the assembly costs with this connection technology play a significant role.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Mehrphasen-Abzweigklemme der eingangs geschilderten Art zu schaffen, die unter Verzicht einer Außenschale und einer Vergußmasse eine komplette Muffe weitgehend ersetzt, wobei die spannungsrUhrenden Teile voll isoliert und vor Feuchtigkeit geschützt sind.The invention is therefore based on the object of a multi-phase branch terminal of the type described above to create the waiver of an outer shell and a potting compound largely replaces a complete sleeve, with the tension-raging Parts are fully insulated and protected from moisture.

Diese Aufgabe wird erfindungsgemäß dadurch gelst,daß der Isolierkdrper mit radial zu seiner Achse verlaufenden Ausnehmungen versehen ist, in denen zylindrische und Kontakteinrichtungen tragende Leitkörper angeordnet sind, deren Oberteil Jeweils eine Bohrung aufweist, die in eine hierzu quer verlaufende Bohrung mit einer Austrittsörrnung mUndet, die rormschlUssig mit einer Ausnehmung eines verlängerten Ansatzteiles des Isolierkörpers in Verbindung steht, und daß das Unterteil des Leitkörpers aus einem mit einem Druckring und einem Dichtelement verbundenen Sohaft besteht, dessen Ende als Fräse ausgebildet ist.According to the invention, this object is achieved in that the insulating body is provided with recesses extending radially to its axis, in which cylindrical and guide bodies carrying contact devices are arranged, the upper part of which in each case has a bore which is inserted into a bore running transversely to this with an outlet orifice MUndet, which form-fit with a recess of an extended attachment part of the Insulating body is in connection, and that the lower part of the guide body from a Sohaft is connected to a pressure ring and a sealing element, the end of which is designed as a milling machine.

Die mit der Erfindung erzielten Vorteile bestehen darin, daß die muffenlose und vergußmassenrreie Abzweigklemme die Material- und Montagekosten in erheblichem Maße reduziert. Die Kompaktbauform ohne nennenswerte Hohlräume garantiert eine optimale mechanische Druckfestigkeit und bietet durch die Dichtungsmaßnahmen an allen kritisohlen Stellen einen zuverlässigen Schutz gegen das Eindringen von Feuchtigkeit. Außerdem ist eine Spaltbildung in Längsrichtung der Aderisolation ausgeschlossen, da das Dichtelement das Bestreben hat, in seine ursprüngliche Form zurückzugehen. Das Dichtelement unterhalb des Druckrings schützt die innerhalb des IsolierkBrpers liegenden Teile gegen das Eindringen aggressiver Stofre, wie z. B. Sand, der durch Wasser oder durch Bodenabsenkungen eindringen und die Isolations- und Dichtelemente durchscheuern kann.The advantages achieved by the invention are that the sleeveless and potting compound-free branch terminal significantly reduces material and assembly costs Dimensions reduced. The compact design without significant cavities guarantees an optimal mechanical compressive strength and offers through the sealing measures on all critical soles Provide reliable protection against the ingress of moisture. aside from that the formation of a gap in the longitudinal direction of the core insulation is ruled out, as the Sealing element strives to go back to its original shape. The sealing element underneath the pressure ring protects the parts lying inside the insulating body against the penetration of aggressive substances, such as. B. sand that goes through water or through Penetrate subsidence and rub through the insulation and sealing elements can.

A18 für die Aufgabenlösung vorteilhafte und förderliche Weiterbildungen sind weitere Gestaltungsmerkmale in den Unteransprüchen 2 bis 4 angegeben.A18 advanced training that is advantageous and conducive to solving tasks Further design features are given in the dependent claims 2 to 4.

Damit werden folgende Vorteile erreicht: Die Kombination des Druckrings aus hartem Isolationsmaterial und dem Dichtelement aus elastischem Material rührt zu einer wirksamen Sperre, die die spannungsrührenden Teile vor dem Eindringen von Feuchtigkeit zuverlässig schützt. Die dicht verschließenden Deckel bieten Gewähr dafür, daß die Bedienungsöffnungen für die Kontakteinrichtungen gleichfalls sicher verschlossen sind. Die wulstartige Verstärkung der Austrittsffnungen bei den axial verlaufenden Ausnehmungen führt zu einem besonders festen Sitz von schlauchartigen Überzügen bei den Abzweigeinrichtungen. Damit sind auch diese Stellen gegen das Eindringen von Feuchtigkeit geschUtzt.This achieves the following advantages: The combination of the pressure ring Stirring from hard insulation material and the sealing element made of elastic material an effective barrier that prevents live parts from entering Reliably protects against moisture. The tightly closing lids provide a guarantee that the operating openings for the contact devices are also safe are locked. The bead-like reinforcement of the outlet openings in the axial running recesses leads to a particularly tight fit of hose-like Coverings on the branching devices. So these places are also against that Protected against penetration of moisture.

Ein AusfUhrungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Die Figur zeigt eine Mehrphasen-Abzweigklemme im Schnitt.An exemplary embodiment of the invention is shown in the drawing. The figure shows a multi-phase branch terminal in section.

Wie die Zeichnungsfigur zeigt, bildet ein Isolierkörper 1 das tragende Element für die gesamte Abzweigklemme. In diesem Isolierkörper 1 sind entsprechend der Zahl von Phasen eine Reihe von Leitkörpern 2 angeordnet, die die eigentlichen Kontakteinrichtungen tragen. Diese Kontakteinrichtungen sind gewissermaßen zweistöckig ausgebildet, wobei das untere Teil aus einem Schaft 10 mit einer Fräse 11 besteht, der in diesem Teil von einem Druckring 8 und einem Dichtelement 9 umgeben ist. Das obere Teil dieser Kontakteinrichtung besteht aus einer Kontaktschraube 14, die in einer Bohrung des LeitkdrperJ 2 sitzt. Der Leitkörper 2 besitzt ein zur Gewindebohrung 3 des Isollerkdrperz 1 passendes Außengewinde. Ferner ist der Leitk8rper 2 mit einer seitlichen Bohrung 4 versehen, deren Austrittsöffnung 5 in eine Ausnehmung 6 des IsolierkdrperX übergeht. Diese Ausnehuung 6 verlKurt in einem Ansatzteil 7 des Isolierrpers 1, wobei die Austrittsöffnung 13 wulstartig verstärkt ist. Die Bedienungsurtnung für die Kontaktschraube 14 besitzt Jeweils dicht verschliessenden Deckel 12.As the drawing shows, an insulating body 1 forms the load-bearing Element for the entire branch terminal. In this insulating body 1 are accordingly the number of phases arranged a number of guide bodies 2, which are the actual Wear contact devices. These contact devices are, so to speak, two-story formed, wherein the lower part consists of a shaft 10 with a milling cutter 11, which is surrounded in this part by a pressure ring 8 and a sealing element 9. That upper part of this contact device consists of a contact screw 14, which in a hole of the LeitkdrperJ 2 sits. The guide body 2 has a threaded hole 3 of the Isollerkdrperz 1 matching external thread. Furthermore, the Leitk8rper 2 is with a lateral bore 4 provided, the outlet opening 5 in a recess 6 of the IsolierkdrperX passes over. This recess 6 is extended in an attachment part 7 of the insulating body 1, the outlet opening 13 being reinforced in the manner of a bead. The operating guideline each has a tightly closing cover 12 for the contact screw 14.

Beim Einsatz der erfindungsgemäßen Abzweigklemme wird ein Durchgangskabel 15 im Klemmbereich bis auf die Aderisolation 16 abgemantelt. Mit 17 ist einer der Leiter des Durchgangskabels 15 bezeichnet. Die Adern 18 des Abzweigkabels sind an der Einftihrungsstelle in den Isolierkörper 1 mit schrumpfschlauchartigem Material 19 überzogen, dessen Enden die Austrittsöffnungen 13 des Isolierkörpers 1 fest umschließen. Die blanken Leiterenden der Adern 18 des Abzweigkabels werden von den Kontaktschrauben 14 innerhalb der Bohrung 4 des Leitkörpers 2 kontaktiert. Zwischen dem Mantel des Durchgangskabels 15 und dem Isolierkörper 1 ist Dichtungsmaterial 20 angeordnet.When using the branch terminal according to the invention, a straight-through cable 15 stripped down to the core insulation 16 in the clamping area. At 17 is one of the Head of the through cable 15 designated. The wires 18 of the branch cable are on the insertion point in the insulating body 1 with shrink tube-like material 19 coated, the ends of which firmly enclose the outlet openings 13 of the insulating body 1. The bare conductor ends of the wires 18 of the branch cable are held by the contact screws 14 contacted within the bore 4 of the guide body 2. Between the coat of the Through cable 15 and the insulating body 1 sealing material 20 is arranged.

ee e eee e e

Claims (4)

PatentansprWiche: S Mehrphasen-Abzweigklemme fUr Kunststoffkabel im Niederspannungsbereich, bestehend aus einem hohlzylindrischen und längsgetellten Isolierkörper mit Kontakteinriclltungen, d a d u r c h g e k e n n z e i c h n e t, daß der Isolierkörper (1) mit radial zu seiner Achse verlaufenden Ausnehmungen versehen ist, in denen zylindrische und Kontakteinrichtungen tragende Leitkörper (2) angeordnet sind, deren Oberteil Jeweils eine Bohrung (3) aufweist, die in eine hierzu querverlaufende Bohrung (4) mit einer Austrittsöffnung (5) mündet, die formschlüssig mit einer Ausnehmung (6) eines verlängerten Ansatzteiles (7) des Isolierkörpers (1) in Verbindung steht, und daß das Unterteil des Leitkörpers (2) aus einem mit einem Druckring (8) und einem Dichtelement (9) verbundenen Schaft (10) besteht, dessen Ende als Fräse (11) ausgebildet ist. Patent claims: S Multiphase branch terminal for plastic cables in the low voltage range, consisting of a hollow cylindrical and longitudinally scaled Insulating body with contact devices, noting t that the insulating body (1) with recesses extending radially to its axis is provided in which cylindrical guide bodies carrying contact devices (2) are arranged, the upper part of which each has a bore (3), which in a this transverse bore (4) opens with an outlet opening (5) which is positively locked with a recess (6) of an extended attachment part (7) of the insulating body (1) is in connection, and that the lower part of the guide body (2) consists of one with consists of a pressure ring (8) and a sealing element (9) connected shaft (10), the end of which is designed as a milling cutter (11). 2. Mehrphasen-Abzweigklemme nach Anspruch 1, d a d u r c h g e -k e n n z e 1 c h n e t, daß der Druckring (8) aus hartem Isolationsmaterial und das Dichtelement (9) aus elastischem Material besteht. 2. Multi-phase branch terminal according to claim 1, d a d u r c h g e -k e n n z e 1 c h n e t that the pressure ring (8) made of hard insulation material and that Sealing element (9) consists of elastic material. 3. Mehrphasen-Abzweiglclemme nach den AnsprUchen 1 und 2, d a -d u r c h g e k e n n z e i c h n e t, daß in der Bohrung (3) des Oberteils des Leitkörpers (2) eine Kontaktschraube (14) anordnet ist. 3. Multi-phase branch terminal according to claims 1 and 2, d a -d u r c h e k e n n n z e i c h n e t that in the bore (3) of the upper part of the guide body (2) a contact screw (14) is arranged. 4. Mehrphasen-Abzweigklemme nach einem der AnsprUche 1 bis 3, d a -d u r c h g e k e n n z e i c h n e t, daß die radial verlaufenden Ausnehmungen des Isolierkörpers (1) mit dicht verschliessenden Deckeln (12) und die axial verlaufenden Ausnehmungen (6) an den Rändern ihrer Austritts5ffnungen (13) wulstartig verstärkt sind. 4. Multi-phase branch terminal according to one of claims 1 to 3, d a -d u r c h g e k e n n n z e i c h n e t that the radially extending recesses of the insulating body (1) with tightly closing covers (12) and the axially extending Recesses (6) at the edges of their outlet openings (13) reinforced in the manner of a bead are.
DE2628633A 1976-06-25 1976-06-25 Multi-phase branch terminal for plastic cables in the low voltage range Expired DE2628633C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2628633A DE2628633C2 (en) 1976-06-25 1976-06-25 Multi-phase branch terminal for plastic cables in the low voltage range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2628633A DE2628633C2 (en) 1976-06-25 1976-06-25 Multi-phase branch terminal for plastic cables in the low voltage range

Publications (2)

Publication Number Publication Date
DE2628633A1 true DE2628633A1 (en) 1977-12-29
DE2628633C2 DE2628633C2 (en) 1982-07-29

Family

ID=5981457

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2628633A Expired DE2628633C2 (en) 1976-06-25 1976-06-25 Multi-phase branch terminal for plastic cables in the low voltage range

Country Status (1)

Country Link
DE (1) DE2628633C2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0923160A1 (en) * 1997-11-05 1999-06-16 PAUL JORDAN ELEKTROTECHNISCHE FABRIK, GmbH & Co. Waterproof branch terminal
EP0928044A1 (en) * 1997-12-05 1999-07-07 Alcatel Electrical cable branch joint
WO1999066597A1 (en) * 1998-06-15 1999-12-23 Tappat Engineering Pty. Limited A t-joint connector
WO2000008720A1 (en) * 1998-08-08 2000-02-17 David Malcolm Goodwin Electric cable joints and methods of making them
WO2000008719A1 (en) * 1998-08-08 2000-02-17 David Malcolm Goodwin Electric cable joints, methods of making them and cables for use in the method
EP1137104A2 (en) * 2000-01-29 2001-09-26 WIELAND ELECTRIC GmbH Insulation displacement contact for a conductor having a plurality of wires
EP1213793A2 (en) * 2000-10-27 2002-06-12 Nexans Clamp for electrical cables
WO2019101275A1 (en) * 2017-11-27 2019-05-31 Leoni Kabel Gmbh Device and method for electrically connecting electric cables for direct current

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1590501B1 (en) * 1966-11-16 1971-05-19 Schiffmann Alois Dipl Kfm MULTI-PHASE CLAMPING DEVICE FOR CONNECTING THE INSULATED CORES OF A MULTIPLE CABLE WITH BRANCH CABLES
DE2335654B1 (en) * 1973-07-13 1974-08-08 Pfisterer Elektrotech Karl Branch terminal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1590501B1 (en) * 1966-11-16 1971-05-19 Schiffmann Alois Dipl Kfm MULTI-PHASE CLAMPING DEVICE FOR CONNECTING THE INSULATED CORES OF A MULTIPLE CABLE WITH BRANCH CABLES
DE2335654B1 (en) * 1973-07-13 1974-08-08 Pfisterer Elektrotech Karl Branch terminal

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0923160A1 (en) * 1997-11-05 1999-06-16 PAUL JORDAN ELEKTROTECHNISCHE FABRIK, GmbH & Co. Waterproof branch terminal
EP0928044A1 (en) * 1997-12-05 1999-07-07 Alcatel Electrical cable branch joint
WO1999066597A1 (en) * 1998-06-15 1999-12-23 Tappat Engineering Pty. Limited A t-joint connector
WO2000008720A1 (en) * 1998-08-08 2000-02-17 David Malcolm Goodwin Electric cable joints and methods of making them
WO2000008719A1 (en) * 1998-08-08 2000-02-17 David Malcolm Goodwin Electric cable joints, methods of making them and cables for use in the method
EP1137104A2 (en) * 2000-01-29 2001-09-26 WIELAND ELECTRIC GmbH Insulation displacement contact for a conductor having a plurality of wires
EP1137104A3 (en) * 2000-01-29 2003-03-12 WIELAND ELECTRIC GmbH Insulation displacement contact for a conductor having a plurality of wires
EP1213793A2 (en) * 2000-10-27 2002-06-12 Nexans Clamp for electrical cables
EP1213793A3 (en) * 2000-10-27 2004-06-02 Nexans Clamp for electrical cables
WO2019101275A1 (en) * 2017-11-27 2019-05-31 Leoni Kabel Gmbh Device and method for electrically connecting electric cables for direct current

Also Published As

Publication number Publication date
DE2628633C2 (en) 1982-07-29

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