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 159
s tubing,which is sometimes used in showcase or window work andclassed with fixtures. With unlined conduits the bending is a simple matter,although here also care must be taken to see that the conduitdoes not bend flat. In a good bend the pipe retains its circularform throughout the bend, while, if… … Figure 94 vise and making a small bend, then moving the pipe for a slightdistance and bending again, and continuing until the desiredshape is obtained. Another method which can be used onsmall pipes is shown at a in Figure 94, using a three or fourfoot length of gas pipe or conduit with an ordinary…
Electrical engineering
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