Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U.S. seacoast defenses (1902)
United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 141
the connection board inside the base of the projector and those of the controllerreceptacle. The contacts are numbered both on the connection board and on thereceptacle, and should be connected accordingly. The controller receptacleshould be placed within a radius of 20 feet of the controller. The… … SEARCH-LIGHT PROJECTORS. 101 following table gives the maximnm allowable resistance for each ^nre, and thesize of wire for circuits of various lengths: Number ofConductor. Size of Wire, B. & S. Gauge. Slaximum Kesistance, Ohms. 50 Feet. 100 Feet. 150 Feet. 1 14 11 9 .14 2 14 11 C| .14 3 11 8 6…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.