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 227
safe as made by well-known manufacturers, and are preferable from the viewpoint of firehazard to similar appliances heated by gas or by alcohol lamps. The use of flatirons or other heaters on ordinary lighting circuitsis undesirable since they often require more current than can be takenthrough the… … 80 UNDERWRITERS REQUIREMENTS as washing and vacuum cleaning machines be supplied from suchspecial circuits. The ordinary wall or ceiling fixtures and the lamp sockets attached are very ill suited forconnecting portable heaters because oftheir lack of current-carrying capacity;and, too, because they…
Electrical engineering
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