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 178
remecases this sparking may be dangerous, especially in dusty places orwhere inflammable gases are present. Where motors are used, notof enclosed types with brushes, commutators or slip rings, where^parking may occur, special enclosures should be provided. Theinstallation of motors on ceilings.… … O i w §^^ H « » 3w I ^1 < «o ^ w § O -K H 3 §^iJ <: UNDERWRITERS REQUIREMENTS 33
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
