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 237
Fig. 79. Wire Guard forPortable Lamp 208 UNDERWRITERS REQUIREMENTS 87 the exposure to injury is less (as in offices and residences) with anouter woven braid only. These reinforced cords are far from in-destructible and should be frequently inspected and renewed beforean accident makes it absolutely… … Fig. 80. Result.s of Careless Handling of Portable Lamps usage there, and more especially })ecause of the practical certaintythat it will be,used as a support for window decorations or goods ofinflammable nature which have often been found pinned to it orsupported by wires strung across it. A…
Electrical engineering
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