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Description of BS 442:1950 1950This British Standard applies to the main terminals on electrical apparatus for railway signalling purposes, to which cables external to the apparatus are connected. It is not intended to apply to terminals inside the apparatus. Terminals of both the nut and the screw type, and of the insulated screw type, are specified. Main terminals, not terminals inside apparatus. Nut, screw, insulated screw types, materials, dimensions, manufacturing requirements.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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