EP0355233B1 - Insulated junction box, especially for mounting in luminaire supports - Google Patents

Insulated junction box, especially for mounting in luminaire supports Download PDF

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Publication number
EP0355233B1
EP0355233B1 EP19880402133 EP88402133A EP0355233B1 EP 0355233 B1 EP0355233 B1 EP 0355233B1 EP 19880402133 EP19880402133 EP 19880402133 EP 88402133 A EP88402133 A EP 88402133A EP 0355233 B1 EP0355233 B1 EP 0355233B1
Authority
EP
European Patent Office
Prior art keywords
box
cover
box according
inspection hatch
housing
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.)
Expired - Lifetime
Application number
EP19880402133
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German (de)
French (fr)
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EP0355233A1 (en
Inventor
Bruno Paul Claude Marcoz
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Individual
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Individual
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Publication date
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Priority to DE88402133T priority Critical patent/DE3887328D1/en
Publication of EP0355233A1 publication Critical patent/EP0355233A1/en
Application granted granted Critical
Publication of EP0355233B1 publication Critical patent/EP0355233B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/003—Access covers or locks therefor

Definitions

  • the present invention relates to an insulating housing which can be mounted in a support for an electrical device, in particular a lamppost support such as a street lighting candelabra or a hollow post comprising at least one inspection hatch.
  • a lamppost support such as a street lighting candelabra or a hollow post comprising at least one inspection hatch.
  • the object of the present invention is to overcome these drawbacks of known packages.
  • the housing according to the invention is characterized for this purpose in that it is open at its lower end and that, when the housing is installed inside the support, the lower edge of the open end is located below from the lowest edge of the inspection hatch, at a predetermined distance such that the interior of the housing is manually inaccessible through the open inspection hatch.
  • the height of the housing is greater than the height of the inspection hatch, so that its upper part extends beyond the upper edge of the inspection hatch.
  • the box B according to the invention is adapted to be mounted inside a street lighting candelabra or a hollow post, bearing the reference P and of the type comprising a inspection hatch T.
  • the box can be fixed in the post for example using a hooking device not shown.
  • the housing B comprises a bottom 1 of U-shaped cross section, made of an insulating material, in which a plate 2, serving as a support for the switchgear connecting the electric lamp of the candelabrum to the network can slide freely in two notches 3 and 4 at the bottom.
  • the bottom 1 also includes grooves 5 and 6 close to the ends of each of the wings of the U, arranged to be used for hooking by snap-fastening of the corresponding edges 7 and 8 of the cover 9 also having in section the shape of a U.
  • the edges of grooves 5 and 6 can be adapted to accommodate the corresponding parts 7 and 8 of the edges of the cover, in order to make disassembly of the housing difficult without the use of a special tool.
  • a cap 10 is designed to fit into the upper part of the housing.
  • the cap 10 is held integral with the bottom of the housing by fixing means such as screws shown in 11 and 12, while providing ventilation openings 13 and 14 between, of on the one hand, the top edge of the bottom 1 of the housing and of the cover and, on the other hand, the lower part of the cap, these gills being designed, by an appropriate bevel 15, so that a trickling water drips outside vertically mounted housing.
  • the cap 10 offers the particularity of comprising at least one recess 16 comprising a surface 17 substantially parallel to the respective edges of the wings of the bottom and of the housing cover. This surface comprises one or more orifices serving as a passage for the cable (s) for supplying electricity to the candelabras and (or) lamps supported by the candelabra, advantageously using cable glands 18.
  • the housing comprises at least one rod 20 capable of sliding inside a slot 21 of the plate 2.
  • This column 20 has, on the side of the plate a shoulder 23 so as to be held in a position substantially perpendicular to the plate, and 'on the opposite side, that is to say towards the cover of the housing, a hole 24 capable of receiving a screw 25 made integral with an inspection door 26 intended to close a recess 27 of the cover 9.
  • the housing B is shaped so that its lower part 30, in its position installed in the candelabra P, extends downwards beyond the lower edge 32 of the inspection hatch T thereof and the cap 34 projects upwards from the top edge 35 of the inspection hatch T.
  • the height of the housing is greater than the height of the inspection hatch, so that no live part situated inside the housing that is the subject of the invention cannot be accessed manually when the inspection hatch 33 of the candelabrum is open.
  • the box which is the subject of the invention, mounted in place in the candelabrum has the mounting advantages arising from the fact that the plate 2 can move freely relative to the bottom 1.
  • the bottom and the cover of the housing can advantageously be made of a plastic material extruded and their length can then be easily adapted, by sawing, to the type of candelabrum on which the housing is intended to be mounted.
  • the housing is completely hollowed out and has no bottom in its lower part is advantageous because it allows the passage of any electrical supply cable without creating mechanical stress on the housing, while ensuring sufficient protection of the active parts by when the parts 30 and 34 of the housing overflow inside the candelabrum.
  • the surface 16 is presented laterally facing the opening of the candelabra inspection hatch, which favors the mounting of the lamp cable to the housing by positioning it laterally between the edge of the housing and the interior edge. correspondent of the candelabrum, as represented at 36 in FIG. 4.
  • the dimensions of the housing are chosen so that it overflows inside the candelabra very largely at the top and bottom the inspection hatch, which makes direct manual access to the live parts enclosed in the housing impossible. .
  • the housing according to the invention is particularly easy to assemble and its cost price is relatively low.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

La présente invention concerne un boîtier isolant montable dans un support d'un dispositif électrique notamment un support de lampadaire tel qu'un candélabre d'éclairage public ou un poteau creux comportant au moins une trappe de visite.The present invention relates to an insulating housing which can be mounted in a support for an electrical device, in particular a lamppost support such as a street lighting candelabra or a hollow post comprising at least one inspection hatch.

Les boîtiers connus par exemple du document DE-A-3 223 819, qui ont pour fonction de supporter le matériel de raccordement de la source lumineuse n'offrent pas les garanties suffisantes de protection contre les contacts directs avec les parties sous tension et demandent généralement des dispositifs pour le maintien et le serrage des câbles d'amenée du courant, plus généralement de forte section, ce qui augmente le coût et complique l'installation.The boxes known for example from document DE-A-3 223 819, which have the function of supporting the connection material of the light source do not offer sufficient guarantees of protection against direct contact with live parts and generally require devices for holding and tightening the current supply cables, more generally of large section, which increases the cost and complicates the installation.

La présente invention a pour but de palier à ces inconvénients des boîtiers connus.The object of the present invention is to overcome these drawbacks of known packages.

Le boîtier selon l'invention est caractérisé à cette fin en ce qu'il est ouvert à son extrémité inférieure et que, quand le boîtier est installé à l'intérieur du support, le bord inférieur de l'extrémité ouverte est situé en-dessous du bord le plus bas de la trappe de visite, à une distance prédéterminée telle que l'intérieur du boîtier soit inaccessible manuellement à travers la trappe de visite ouverte.The housing according to the invention is characterized for this purpose in that it is open at its lower end and that, when the housing is installed inside the support, the lower edge of the open end is located below from the lowest edge of the inspection hatch, at a predetermined distance such that the interior of the housing is manually inaccessible through the open inspection hatch.

Selon une caractéristique avantageuse de l'invention, la hauteur du boîtier est supérieure à la hauteur de la trappe de visite, de telle sorte que sa partie haute s'étend au-delà du bord supérieur de la trappe de visite.According to an advantageous characteristic of the invention, the height of the housing is greater than the height of the inspection hatch, so that its upper part extends beyond the upper edge of the inspection hatch.

L'invention sera mieux comprise, et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement au cours de la description explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels :

  • La figure 1 est une vue éclatée et en perspective d'un boîtier selon la présente invention ;
  • La figure 2 est une vue en coupe du chapeau selon la ligne I-I représentée sur la figure 1 ;
  • La figure 3 est une vue en coupe du boîtier selon la ligne II-II de la figure 1, et
  • La figure 4 montre la partie d'un candélabre avec sa trappe de visite comprenant, à l'intérieur, un boîtier selon la présente invention.
The invention will be better understood, and other objects, characteristics, details and advantages thereof will appear more clearly during the explanatory description which follows, made with reference to the appended schematic drawings given solely by way of example illustrating a embodiment of the invention and in which:
  • Figure 1 is an exploded perspective view of a housing according to the present invention;
  • Figure 2 is a sectional view of the cap along line II shown in Figure 1;
  • FIG. 3 is a sectional view of the housing along the line II-II of FIG. 1, and
  • Figure 4 shows the part of a candelabrum with its inspection hatch comprising, inside, a housing according to the present invention.

Le boîtier B selon l'invention est adapté pour être monté à l'intérieur d'un candélabre d'éclairage public ou d'un poteau creux, portant la référence P et du type comportant une trappe de visite T. Le boîtier peut être fixé dans le poteau par exemple à l'aide d'un dispositif d'accrochage non représenté.The box B according to the invention is adapted to be mounted inside a street lighting candelabra or a hollow post, bearing the reference P and of the type comprising a inspection hatch T. The box can be fixed in the post for example using a hooking device not shown.

Selon les figures 1 et 3, le boîtier B comprend un fond 1 de section transversale en forme de U, en un matériau isolant, dans lequel une plaque 2, servant de support à l'appareillage de connexion de la lampe électrique du candélabre au réseau peut coulisser librement dans deux encoches 3 et 4 du fond.According to Figures 1 and 3, the housing B comprises a bottom 1 of U-shaped cross section, made of an insulating material, in which a plate 2, serving as a support for the switchgear connecting the electric lamp of the candelabrum to the network can slide freely in two notches 3 and 4 at the bottom.

Le fond 1 comprend également des rainures 5 et 6 proches des extrémités de chacune des ailes du U, aménagées pour servir à l'accrochage par encliquetage des bords correspondants 7 et 8 du couvercle 9 ayant également en coupe la forme d'un U. Les bords des rainures 5 et 6 peuvent être adaptées pour loger les parties correspondantes 7 et 8 des bords du couvercle, afin de rendre le démontage du boîtier difficile sans utilisation d'un outil spécial. Un chapeau 10 est conçu pour s'emboîter dans la partie haute du boîtier.The bottom 1 also includes grooves 5 and 6 close to the ends of each of the wings of the U, arranged to be used for hooking by snap-fastening of the corresponding edges 7 and 8 of the cover 9 also having in section the shape of a U. The edges of grooves 5 and 6 can be adapted to accommodate the corresponding parts 7 and 8 of the edges of the cover, in order to make disassembly of the housing difficult without the use of a special tool. A cap 10 is designed to fit into the upper part of the housing.

En référence à la figure 2, on peut observer que le chapeau 10 est maintenu solidaire au fond du boîtier par des moyens de fixation telles que des vis représentées en 11 et 12, tout en ménageant des ouies de ventilation 13 et 14 entre, d'une part, le bord haut du fond 1 du boîtier et du couvercle et, d'autre part, la partie basse du chapeau, ces ouïes étant conçues, par un biseau 15 approprié, pour qu'une eau de ruissellement goutte à l'extérieur du boîtier monté verticalement. Le chapeau 10 offre la particularité de comporter au moins un renfoncement 16 comprenant une surface 17 sensiblement parallèle aux bords respectifs des ailes du fond et du couvercle du boîtier. Cette surface comporte un ou plusieurs orifices servant de passage du (ou des) câble d'alimentation en électricité des candélabres et (ou) lampes supportées par le candélabre, avantageusement à l'aide de presse-étoupes 18.With reference to FIG. 2, it can be observed that the cap 10 is held integral with the bottom of the housing by fixing means such as screws shown in 11 and 12, while providing ventilation openings 13 and 14 between, of on the one hand, the top edge of the bottom 1 of the housing and of the cover and, on the other hand, the lower part of the cap, these gills being designed, by an appropriate bevel 15, so that a trickling water drips outside vertically mounted housing. The cap 10 offers the particularity of comprising at least one recess 16 comprising a surface 17 substantially parallel to the respective edges of the wings of the bottom and of the housing cover. This surface comprises one or more orifices serving as a passage for the cable (s) for supplying electricity to the candelabras and (or) lamps supported by the candelabra, advantageously using cable glands 18.

Selon les figures 1 et 2 le boîtier comprend au moins une tige 20 susceptible de coulisser à l'intérieur d'une fente 21 de la plaque 2. Cette colonne 20 comporte, du côté de la plaque un épaulement 23 de façon à être maintenue dans une position sensiblement perpendiculaire à la plaque, et' du côté opposé, c'est-à-dire vers le couvercle du boîtier, un trou 24 susceptible de recevoir une vis 25 rendue solidaire d'une porte de visite 26 destinée à fermer un évidement 27 du couvercle 9.According to Figures 1 and 2 the housing comprises at least one rod 20 capable of sliding inside a slot 21 of the plate 2. This column 20 has, on the side of the plate a shoulder 23 so as to be held in a position substantially perpendicular to the plate, and 'on the opposite side, that is to say towards the cover of the housing, a hole 24 capable of receiving a screw 25 made integral with an inspection door 26 intended to close a recess 27 of the cover 9.

Comme il ressort de la figure 4, le boîtier B est conformé de façon que sa partie basse 30, dans sa position installée dans le candélabre P, dépasse vers le bas le bord inférieur 32 de la trappe de visite T de celui-ci et le chapeau 34 déborde vers le haut le bord haut 35 de la trappe de visite T.As can be seen from FIG. 4, the housing B is shaped so that its lower part 30, in its position installed in the candelabra P, extends downwards beyond the lower edge 32 of the inspection hatch T thereof and the cap 34 projects upwards from the top edge 35 of the inspection hatch T.

Ainsi la hauteur du boîtier est plus grande que la hauteur de la trappe de visite, de façon à ce qu'aucune partie sous tension située à l'intérieur du boîtier objet de l'invention ne puisse être accessible manuellement lorsque la trappe de visite 33 du candélabre est ouverte.Thus, the height of the housing is greater than the height of the inspection hatch, so that no live part situated inside the housing that is the subject of the invention cannot be accessed manually when the inspection hatch 33 of the candelabrum is open.

Le boîtier objet de l'invention, monté en place dans le candélabre comporte les avantages de montage provenant du fait que la plaque 2 peut librement se déplacer par rapport au fond 1.The box which is the subject of the invention, mounted in place in the candelabrum has the mounting advantages arising from the fact that the plate 2 can move freely relative to the bottom 1.

Ainsi, lorsque le fond est raccordé comme à l'usage sur la barrette d'accrochage habituellement prévue à cet effet à l'intérieur du candélabre, le raccordement des câbles d'alimentation électrique de forte section aux bornes de raccordement (non représentées) fixées sur la plaque 2, est facilité du fait de la possibilité qu'a la plaque 2 de se déplacer par rapport au fond 1.Thus, when the bottom is connected as usual to the hanging bar usually provided for this purpose inside the candelabra, the connection of large section electric power cables to the connection terminals (not shown) fixed on the plate 2, is facilitated due to the possibility that the plate 2 can move relative to the bottom 1.

Le fond et le couvercle du boîtier peuvent avantageusement être réalisés en une matière plastique extrudé et leur longueur peut alors être facilement adaptée, par sciage, au type de candélabre sur lequel le boîtier est destiné à être monté.The bottom and the cover of the housing can advantageously be made of a plastic material extruded and their length can then be easily adapted, by sawing, to the type of candelabrum on which the housing is intended to be mounted.

Le fait que le boîtier est complétement évidé et ne comporte pas de fond dans sa partie basse est avantageux car il autorise le passage de tout câble d'alimentation en électricité sans créerde contrainte mécanique du boîtier, tout en assurant une protection suffisante des parties actives grâce au débordement des parties 30 et 34 du boîtier à l'intérieur du candélabre.The fact that the housing is completely hollowed out and has no bottom in its lower part is advantageous because it allows the passage of any electrical supply cable without creating mechanical stress on the housing, while ensuring sufficient protection of the active parts by when the parts 30 and 34 of the housing overflow inside the candelabrum.

Dans sa partie haute formant chapeau, la surface 16 se présente latéralement face à l'ouverture de la trappe de visite du candélabre ce qui favorise le montage du câble de la lampe au boîtier en le positionnant latéralement entre le bord du boîtier et le bord intérieur correspondant du candélabre, tel que représenté en 36 sur la figure 4.In its upper part forming a cap, the surface 16 is presented laterally facing the opening of the candelabra inspection hatch, which favors the mounting of the lamp cable to the housing by positioning it laterally between the edge of the housing and the interior edge. correspondent of the candelabrum, as represented at 36 in FIG. 4.

On comprend aisément que le boîtier monté à l'intérieur du candélabre tel que représenté à la figure 4 présente les caractéristiques suffisantes de protection contre les contacts directs des parties sous tension, même si la trappe de visite du candélabre reste ouverte.It is easily understood that the box mounted inside the candelabrum as shown in Figure 4 has sufficient protection characteristics against direct contact of live parts, even if the inspection hatch of the candelabrum remains open.

En effet, les dimensions du boîtier sont choisies de façon que celui-ci déborde à l'intérieur du candélabre très largement en haut et en bas la trappe de visite, ce qui rend impossible tout accès direct manuel aux parties sous tension enfermées dans le boîtier.Indeed, the dimensions of the housing are chosen so that it overflows inside the candelabra very largely at the top and bottom the inspection hatch, which makes direct manual access to the live parts enclosed in the housing impossible. .

Ceci constitue une caractéristique particulièrement avantageuse du boîtier selon l'invention, qui ne comporte aucune fermeture spécifique en sa partie basse, ce qui favorise la mise en place des câbles d'alimentation en électricité couramment de forte section, mise en place qui est rendue difficile du fait de leur rigidité. Le boîtier selon l'invention est particulièrement aisé à monter et son prix de revient est relativement faible.This constitutes a particularly advantageous characteristic of the housing according to the invention, which does not has no specific closure in its lower part, which promotes the establishment of electricity supply cables commonly of large section, establishment which is made difficult because of their rigidity. The housing according to the invention is particularly easy to assemble and its cost price is relatively low.

Claims (9)

  1. Insulating box which may be mounted within a support for an electrical device, in particular in a standard lamp support such as a street lighting lamp-post or a hollow post, comprising at least one, inspection hatch, the box being adapted to enclose the device for connecting the electrical device to the energy supply network, characterized in that it is open at its lower end (30) and that, when the box (B) is installed inside of the support (P), the bottom edge (30) of the open end is located below the lowest portion (32) of the inspection hatch (T) at such a predetermined distance that the inside of the box be inaccessible manually through the open inspection hatch.
  2. Box according to claim 1, characterized in that its height is greater than the height of the aforesaid inspection hatch (T), so that its upper portion (34) extends beyond the top edge of the inspection hatch.
  3. Box according to one of claims 1 or 2, characterized in that it comprises an insulating bottom (1) and a cover (9) preferably made from an extruded plastics material.
  4. Box according to claim 3, characterized in that the bottom (1) and the cover (9) of the box (B) are of elongated shape and exhibit a cross section in the shape of a U, respectively, the confronting flanges of which are shaped at their ends so that they may interfittingly hook to each other in clipping relationship.
  5. Box according to one of claims 3 or 4, characterized in that the upper portion (34) of the box comprises an insulating cap (10) adapted to be made fast to the bottom (1) and to the cover (10) of the box (B) while leaving ventilation ears the bevel led outside edges (15) of which are slightly protruding outwards from the upper edge of the bottom and of the cover.
  6. Box according to claim 5, characterized in that the cap (10) comprises at least one reinforcement (16) forming a substantially flat surface (17) parallel to the edges of the bottom (1) and of the cover (9), respectively, of the box (B) and adapted to receive one or several packing boxes (18) accommodating themselves into suitable recesses of the said surface.
  7. Box according to one of the foregoing claims, characterized in that it comprises on its external surface an element such as a hook for fastening to the support and inside notches (3) and (4) serving as guides for a movable insulating flat plate (2).
  8. Box according to one of claims 3 to 7, characterized in that the cover (9) comprises an opening (27) adapted to be closed by an inspection door (26), the latter being likely to be kept at the bottom (1) and at the plate (2) by a column (20) which is made fast thereto.
  9. Box according to one of claims 4 to 8, characterized in that the confronting flanges of the bottom (1) and of the cover (9) with a U-shaped cross section comprise at the level of their edge grooves (5) and (6) and ribs (7) and (8) of complementary shape permitting an assembling through interfitted clipping relationship and prohibiting a removal without the use of a suitable tool.
EP19880402133 1987-02-26 1988-08-22 Insulated junction box, especially for mounting in luminaire supports Expired - Lifetime EP0355233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE88402133T DE3887328D1 (en) 1988-08-22 1988-08-22 Insulated connection box, especially for mounting in light poles.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8702577A FR2612008B1 (en) 1987-02-26 1987-02-26 INSULATING HOUSING, FOR ELECTRICAL CONNECTION MOUNABLE IN PARTICULAR IN A LAMP SUPPORT

Publications (2)

Publication Number Publication Date
EP0355233A1 EP0355233A1 (en) 1990-02-28
EP0355233B1 true EP0355233B1 (en) 1994-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880402133 Expired - Lifetime EP0355233B1 (en) 1987-02-26 1988-08-22 Insulated junction box, especially for mounting in luminaire supports

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EP (1) EP0355233B1 (en)
FR (1) FR2612008B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10117582B4 (en) * 2001-04-07 2007-01-11 Stadtfeld Elektrotechnische Fabrik Gmbh & Co. Kg Ballast unit for luminaires in light poles

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650145A1 (en) * 1989-07-21 1991-01-25 Marcoz Bruno Insulating case, for electrical connection, which can be mounted especially in a lamp-post support
FR2663808A1 (en) * 1990-06-25 1991-12-27 Limousin App Bobinage Elect Electrically insulating chassis, intended to form part of an electrical connecting cabinet for a lighting device using a discharge lamp, and electrical connecting cabinet including such a chassis
FR2786851B1 (en) * 1998-12-07 2001-05-11 Jean Jacques Lefebvre CONNECTION AND PROTECTION BOX FOR CANDELABRE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175361B (en) * 1981-06-26 1984-05-16 Electrische Meetinstrumenten E SAFETY CABINET OF PLASTIC FOR MOUNTING IN A METAL LIGHT POLE OR THE LIKE.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10117582B4 (en) * 2001-04-07 2007-01-11 Stadtfeld Elektrotechnische Fabrik Gmbh & Co. Kg Ballast unit for luminaires in light poles

Also Published As

Publication number Publication date
FR2612008A1 (en) 1988-09-09
EP0355233A1 (en) 1990-02-28
FR2612008B1 (en) 1992-11-13

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