Illinois Society of Architects · Chicago · leaf 386
blade of all 3-pole switches exceptfor 3-phase. On 3-phase installations thetwo phases having the least difference ofpotential to earth must be connected to thetwo outer blades of the service-switch. 4. Switches and fuse blocks must not beinstalled above or in close proximity tolaundry tubs, sinks,… … llutul Ka>tuate, Uiitii: Oiiiaii ^v Lilienthal, AicIuIllIj and EiiginL-trs Emmons Electric Go. HOBT. J. SAMFLP:. President Established 1898 Electrical Contractors and Engineers 109 WEST AUSTIN AVENUECHICAGO Telephone Superior n (.% <y 384 the cold water piping system, in accordancewith the…
Architecture · Building · Architects
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