Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 23
□ Circuit Breaker i^ain Bus Bars ■ T.f\T./lnrimeCerPotentia/ Bus yVircSuppor C ffheostot Handivheef Potentio/ PscspCac/<^Cc3rc/ tfo/c/er Por/Tt O t e^er Stv/tch lyaCtmeCfr PcsisConce — m 3H … Bquo/izer Bus Y\G, 20.—Direct-current two-wire generator panel. Rating: 100 to 400 amp., 125 and 250 volts.
Electric wiring
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