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 116
sthroughout this article. TYPES Switchboards may be classified in two different ways as regardstheir mechanical features: first, as to the form in which they arebuilt, including vertical, bench, and ironclad; and second, as to theway in which the electric circuits are controlled. Classified as to… … ^1 -St a e 61 S fe| ^i S 2 4 SWITCHBOARDS Be}ich Type. Bench boards are made up of a horizontal orsHghtly sloping bench, usually with vertical sub-panels under thefront edges, and a vertical section mounted back of the bench.These boards take various forms as to details, but always includethe bench…
Electrical engineering
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