International Library of Technology · Scranton, International Textbook Co. · leaf 620
26 INTERIOR WIRING. 27 containing the panel board, and the outer one, or gutter,as it is sometimes called. All boxes are not provided withthis gutter, but the best ones are, as it gives a convenientspace in which to arrange the wires in case they should notcome to the box in the best order for… … fig. 11. The mains usually pass through the panels vertically andare connected to bars from which the various lamp circuitsbranch out sidewise. Fuses are inserted in each side of eachcircuit, and switches are in some cases also provided;though frequently the panel board carries fuses only. Fig. 11…
Electrical engineering
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