International Library of Technology · Scranton, International Textbook Co. · leaf 649
Fig. 31.junction box. These boxes should be mounted firmly in thewall and be placed so that the surface will come flush withthe plastering. The split nuts a, a hold the conduit inplace. Fig. 31 (b) shows an otitlet plate. The conduit isclamped in openings a and the gas pipe is clamped in b.Very…
Electrical engineering
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