Journal of electricity, power, and gas . Details of Insulators, Clamps and Arcing Rods. It will be noted that this gives a factor of safetyagainst flashover wet of considerably over two. Cable Clamps. The question of a suitable cable clamp was givenfull consideration and the clamp finally adopted wasone designed by R. A. Willson, general superintend-ent of street railway system of the company. The clamp, a patent for which has been issued,consists of two hard wood blocks, dipped in oil andlamp black, which by means of two clevises clampthe wire. This clamp offers several advantages over the al
Journal of electricity, power, and gas . Details of Insulators, Clamps and Arcing Rods. It will be noted that this gives a factor of safetyagainst flashover wet of considerably over two. Cable Clamps. The question of a suitable cable clamp was givenfull consideration and the clamp finally adopted wasone designed by R. A. Willson, general superintend-ent of street railway system of the company. The clamp, a patent for which has been issued,consists of two hard wood blocks, dipped in oil andlamp black, which by means of two clevises clampthe wire. This clamp offers several advantages over the all-metallic clamp. There is practically no chance of in-juring the cable, when tightening up the clamp, as the wood blocks only, with the exception of a thinaluminum strip, come in contact with it. The clampcan be adjusted so that the cable, should it be sub-jected to a stress in excess of the elastic limit willslip through; by thus pulling through of the cablethe stresses on the tower will be materially relievedin case a cable should br
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