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 192
46 UNDERWRITERS REQUIREMENTS All joint wires should be soldered and carefully insulated. Thejoint should be made mechanically and electrically secure beforethe solder is applied. Good joints are requisite to lessen the chanceof wires falling as well as to prevent arcs on the wires themselves.… … Fig. 42. Presence of Overhead Wires Hinders Firemen is the running of telephone and other signal wires too close to electriclight and power lines. Wires of this sort should never be on thesame cross-arms and it is much the best practice wherever possibleto keep telephone wires on poles on one side…
Electrical engineering
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