Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 232
les are used and this in general constitutes the distinctionbetween receptacles and sockets. For outdoor use or in dampplaces weatherproof sockets or receptacles should be used. Theseusually have porcelain or composition outer shells, with connectingwires sealed in or with some form of encased… … M Fig. 74. Correctly Mounted CombinationFixture 204 UNDERWRITERS REQUIREMENTS 83 in any way with any grounded metal work. Thus in bath rooms if aperson attempted to turn on a lamp by means of the key of a brasscovered socket while at the same time he was touching a water pipeor faucet, he might…
Electrical engineering
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