Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 138
wo Dynamos. Fig. 198.—Distribution systems. CONSTANT POTENTIAL DISTRIBUTION 123 O S^ () C) <) () C) () ,T - C) C) () () <) o Three-Wire, Storage Battery. O, Gt Five and Seven-Wire Systems. ^ fyrr if m Feeder and Main System.Fig. 199.—Distribution systems. SECTION XIICONSTANT CURRENT… … C6Pistant CurrentTransformer <Primary Plug Switch Q T primaryBack View Fig. 200.—Panel and connections for series arc lighting system with constant-current transformers.
Electric wiring
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