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 235
owed even for very small currents in order that the mechanicalstrength may not be too little. (It should be noticed also that No.18 and No. 16 wires are permitted only for flexible cord and for fixturewiring. No. 14 or larger being required everywhere else.) The copper strands are twisted or cabled…
Electrical engineering
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