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 239
ary, generally, to over-fusethe wires, which is objectionable. Arc lamps are of many patterns but all of them contain resist- 210 UNDERWRITERS REQUIREMENTS 89 ances or regulators which become very hot and, therefore, all the partsof the lamp and its case must be of non-combustible material andmust…
Electrical engineering
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