International Library of Technology · Scranton, International Textbook Co. · leaf 576
ll be insulated from the wires.Ordinary key sockets are suitable for work with incandes-cent lamps not exceeding 32 candlepower. The rubber orcomposition bushing shown in Fig. 33 must be used on all /. II.—15 52 INTERIOR WIRING. 26 sockets suspended from lamp cord in order to protect thecord where…
Electrical engineering
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