International Library of Technology · Scranton, International Textbook Co. · leaf 571
cleat designed to support the wires 2^ inches apart, in orderto conform with the Underwriters requirements. Many 26 INTERIOR WIRING. 47 different styles of cleats are made, but they are much thesame in general construction. It is always best to put upcleats and knobs with screws, as a better job is… … fig. 28. a leather washer being placed between the nail head andthe porcelain, to prevent the latter from being cracked.Fig. 27 is a kno~b cleat used for supporting single wireswhere something neater than the ordinary knob is desired.It does away with the necessity of a tie-wire and is pro-vided…
Electrical engineering
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