Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 162
Transformer FuseBlocks.—These may be ofeither the single pole or doublepole type. Fig. 1,976 shows adouble pole fuse box opened,and fig. 1,977, the fuse boxopened and the tubes re-moved. Of the four wires,W, W, W, W, entering thebox from beneath, two arefrom the primary mains, andtwo lead to the…
Electrical engineering
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