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 233
Fig. 73. Busbar Clamp Fig. 72. Busbar Insulator for HighVoltage Charging Ammeter. In order to be sure that arresters are nottaking excessive current when being charged, a charging currentindicator is often used. A small ammeter is mounted on an insulat-ing handle and fitted with contacts on the end…
Electrical engineering
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