San Francisco : Architect and Engineer, Inc · leaf 112
of thetransformer, service lines are run in conduitto the main switchboard, located on a gal-lerv above the first basement level. There;ire three single phase alternating current gether with meters for stores and other sec-tions of the building. Riser and feeder linesare extended from the main… … c;UEST ROOM. SIR FR.ANCIS DRAKE HOIEL, SAN FRANCISCOWeeks &■ Pay, ,\rchitects ami Engineers services for general lighting, one singlephase service for emergency lighting, andone three-phase service at 220 volts for allpower, except for the ventilating fans andother equipment requiring speed…
Architecture · Building
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