[Electric engineering.] . Fig. 24. small hancllioles are provided wherever distributing pointsmay be necessary. These are much smaller and shallowerthan manholes and only run down as far as the conduit. 15 ELECTRIC TRANSMISSION. 21 In these handholes a service box is placed. Fig. 24 showsone style of service box with its cover removed. A, £, and Care the main cablesthat run straightthrough the box with-out being cut. D, Eare the three-wire,branch-service cables,or tubes, for supplyingcurrent to the build-ings. These are at-tached to the maincables by means ofsuitable clamps, andafter the cover
[Electric engineering.] . Fig. 24. small hancllioles are provided wherever distributing pointsmay be necessary. These are much smaller and shallowerthan manholes and only run down as far as the conduit. 15 ELECTRIC TRANSMISSION. 21 In these handholes a service box is placed. Fig. 24 showsone style of service box with its cover removed. A, £, and Care the main cablesthat run straightthrough the box with-out being cut. D, Eare the three-wire,branch-service cables,or tubes, for supplyingcurrent to the build-ings. These are at-tached to the maincables by means ofsuitable clamps, andafter the cover isbolted in position the FlG- 25- box is filled with insulating compound. Fig. 25 showsanother style of service box for use on the three-wire this four-way box the main cables are fastened to ter-minals instead of passing straight through. Fig. 26 showsa handhole with its service box arranged for deliveringcurrent to overhead conductors. The main feeders, runningfrom manhole to manhole, are placed in the lower
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