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 138
load 120r SWITCHBOARDS 23 IS all lighting with few violent fluctuations or short circuits, suchequipment is the cheapest and is satisfactory. If load fluctuationsare severe or short circuits are frequent, circuit breakers shouldalways be used because of the saving in fuse replacements and becauseof… … Fig. 19. Front View of Three-Wire Power and Lighting SwitchboardCourtesy of General Electric Company such breakers should always be double-pole, double-coil. If asingle-coil breaker were used, a ground might occur on the wirewithout any overload coil, and the feeder would be unprotected.Double-pole…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
