Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 105
Fig. 47. Single- and Multiple-Duct Tile Conduits Manholes. For all drawing-in systems, it is necessary to pro-vide some means of making connections between the several lengthsof cable after they are drawn in, as well as for attaching feeders.Since the cables cannot be handled in lengths greater…
Electrical engineering
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