Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 412
nspection. Most electric heating appliances are connected to the circuit througha length of flexible cord and a plug connection; so that they can bereadily disconnected for cleaning purposes, or for ^ moving from oneplace to another. Generally such appliances, especially radiators andconvectors,… … Fig. 4,422.—Extra receptacle for electric heating purposes. It should be carefully determinedwhether the wiring be of large enough size to carry the maximum current without over-heating. See Underwriters rules. so that it will not break if dropped; and it should be so constructedthat no strain can…
Electrical engineering
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