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finally closed with screw plugs after the halves have been firmly secured together and the interior filled with insulating compound.
In Fig. 15 we have a view of an open
Fig. 18—This diagram represents a man-hole, and shows the interior connections and distribution between feeders and mains.
box showing the method of joining the wires together with the flexible connections; and in Fig. 16 is shown the upper and lower halves of the box with holes and screw plugs as described above. Fig. 17 shows a branch box having small wires leading therefrom. These boxes
