News et de l'ingénierie électrique . ment arrêter à tout point désiré. Cet appareil donc allowsone à prendre la lumière exactement là où elle est désirée, eliminat-ing la nécessité de traîner sur le sol, les cordons de breakingthe l'isolement et l'augmentation des risques d'incendie. Il s'agit d'unsignal épargne en cordon, lampes, fusibles et les protections. L'insulat-ing dispose de la bobine ont été bien pris en charge. comme les connexions ont un withst 1 Underwriters Laboratories test pour 1250 volts. La C. G. E. mettez sur un grand fan cam-pagne pour aider l'entrepreneur-concessionnaires. Cintre conduit sur nouveau principe dans les

• Contributeur: The Reading Room / Alamy Banque D'Images
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• Taille du fichier: 7,2 MB (210,4 KB Téléchargement compressé)
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Electrical news and engineering . tive stop at any desired point. This apparatus thus allowsone to take the light exactly where it is wanted, eliminat-ing the necessity of dragging cords over the floors, breakingthe insulation and increasing fire hazard. It represents anactual saving in cord, lamps, fuses and guards. The insulat-ing features of the reel have been well taken care of. as the connections have withst 1 an Underwriters Laboratories test for 1250 volts. The C. G. E. are putting on a big Fan cam-paign to help the contractor-dealers. Conduit Hanger on New Principle In the accompanying illustration a new conduit hangeris shown which is being manufactured by the Chicago Ex-pansion Bolt Company. It has a U-shaped body to receivethe pipe, one side of the U being provided with an expansionfeature to secure it to the wall or ceiling. The maker statesthat tin- fixture costs no more than an ordinary expansion iir/. bolt. It is also claimed that as no other fixture with separ-ate bolts and nuts is required it makes a material savingin labor and material costs in fastening conduit lines. !t ismade in sizes adapted to all sizes of conduits and is furnish-ed in either galvanized black or plain finish. You have a dollar.I have a dollar.We swap. Xow you have my dollar.And I have yours. We are m i better off. You have an idea.I have an idea.We swap. Now you have two ideas.d 1 have two ideas. Thats difference. New Devoe Switch The Devoe Electric Switch Co., Montreal, are making animproved type A externally operated safety service switch.The company draw attention to some unique features of con-struction; one is the action of the moving arms, which givesuniform motion to the switch blades, whereby the threeblades enter their contacts at the same time. The squaresteel operating rod is designed to act only as an axle, movingthe arms. and. it is claimed, is not subjected to strain or twist-ing which disto

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