International Library of Technology · Scranton, International Textbook Co. · leaf 658
ractically no insulation except that onthe wire, if the molding becomes damp; while in cleat andtube work there is an air space, and in conduit work aniron pipe, as an additional protection. Moreover, a wirewith an air space or an iron jacket around it cannot domuch damage even if it does become… … fig. 39.However, where hardwood moldings and rubber-coveredwires of sufficient size are used in places always dry, thiskind of work is quite safe and is very much in vogue at thepresent day. Moldings are especially convenient in runningborder lights around the walls of rooms, where lamps areplaced…
Electrical engineering
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