Electric Lighting Specifications |
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addition allowed alternating ampères apparatus approved arranged attached automatic base belt bids boxes building capacity carrying ceiling circuit complete concealed conductors conduit connected constructed contractor controlled covered cut-out designed device direct distance distribution double dynamo efficient electric electric light engines enter entirely equal exciter fastened feeders fixture floor framing furnish glass globe ground heating incandescent inches inclosed indicate injury installation insulation insure joints lamps least length less lights load manner material mechanical metal meter moisture molding mounted necessary operation outlets pass pipes placed plans plant pole porcelain possible potential pressure prevent proper protected Rating regulator resistance risers rules safety schedule secure separated side single socket specification steam supply supported surface switch switchboard taken tion tube unless volts walls waterproof wires