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 322
C=S … Fig. 148. Typical Panel-Board Bus-Bar Arrangements arcing upon opening heavy currents, or from failure to act in emer-gency as they are intended to do. However, the better types ofmodern breaker are very well made and form reliable protectivedevices. 288 UNDERWRITERS REQUIREMENTS 165 Oil-immersed…
Electrical engineering
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