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 489
lic veins, is a fair insulator,but the frequent occurrence of such veins, and the tendency of slateto absorb moisture from the air, render it unreliable, especiallyfor switchboards on which high-voltage apparatus is to be installed. A-FC/SE HOLDER B-/IMM£TS/i C - VOL TMETE/f D - VOL TME TEfi… … Fig. 365. Front Elevation and Connections for Board Shown in Fig. 364 Marble is the standard material for switchboard panels, and it onlyis used for high-voltage panels. Typical Single=Phase Switchboard. Fig. 364 shows a frontview of a standard switchboard for one single-phase generator andtwo…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
