Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters (1905)
Horstmann, Henry C[harles], 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & Co. · leaf 147
this opening his helper is stationed with a shortwire, also provided with a hook, with which he must seek tocatch the other wire when it comes near his opening. Whenthe two wires come in contact, the larger one is drawn out andthe conducting wires (encased in approved flexible tubing)are fastened… … Figure 91 later there is much temptation to leave it as indicated at theright of the figure at a. This trick is quite common, but isvery easily detected by inspectors; the wire at either end caneasily be pushed in without pushing out at the other, as itwould if the tubing were continuous. If the…
Electrical engineering
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