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ARMORDUCT Manufacturing Co Ltd
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ARMORDUCT Manufacturing Co Ltd
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Coupling Device And Connection With Printed Circuit
(AREA)
Abstract
22,789. Schmahl, W., and Armorduct Manufacturing Co. Oct. 15. Conduits; junction boxes.-Conduit and junction-box fittings are made with the enlarged and internally - threaded socket parts c of larger bore than the rest of the system so that, when the conduit c' is screwed home, the bore of the conduit and that of the fitting a exactly correspond, and no internally projecting shoulder exists, against which the insulation on the conductors might be torn.
Improvements in and relating to Junction and the like Boxes adapted to Carry various Fittings such as Ceiling Roses, Fuses, Switches and the like, in Surface Systems of Electric Wiring for Buildings.
Improvements in Devices for Connecting the Conductors of Electric Circuits, more especially intended for use in the "Wiring" of Buildings for Electric Lighting.