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 202
system, the wire should besweat into a lug attached to an approved clamp, and the clamp firmly boltedto the water pipe after all rust and scale have been removed; or be solderedinto a brass plug and the plug forcibly screwed into a pipe-fitting, or wherethe pipes are cast iron, into a hole tapped… … Fig. 53. Faulty Installation of Two-WireDirect-Current Dynamo 178 UNDERWRITERS REQUIREMENTS 57 Where ground plates are used a No. 16 Stubbs gauge copper plate, about3X6 feet in size, with about 2 feet of crushed coke or charcoal, of pea size,both under and over it, would make a ground of sufficient…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
