Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 260
□ ca6i?7et 2ioire5A/o8 3 wires¥00000 cir. 77?ils fa 77 77?otorswitchboarct Fig. 409.—Feeder system for an office building. 246 WIRING:DIAGRAMS OF ELECTRICAL APPARATUS base?7ier)t baiement sujitohhoard\ Fig. 410.—System of individualfeeders for an office building. Fig. 411.—Feeder system…
Electric wiring
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