Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 346
rom fire but this isnot necessary as the fuse plugs and their receptacles, when ofapproved design, are sufficient to prevent accident. The main wires which supply the house with electricity—marked lead wires—are brought into the cabinet as shown inFig. 231 and attached to the poles of the switch S,… … Fig. 230.—Electric cabinets. 336 MECHANICS OF THE HOUSEHOLD which is connected by an insulating bar and the contacts N ofthe switch. When the handle H is pulled to separate the contactpieces, all electric connection is severed at that point. The wattmeter for measuring the current is placed at…
Heating · Lighting · Plumbing
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