Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Сторінка 16
... necessary modifications are nu- merous and important . A careful study should be made of the pur- pose for which the plant is installed ; the ma- terial of which the boat is built ; the char- acter of the cargo ; the class of passengers ...
... necessary modifications are nu- merous and important . A careful study should be made of the pur- pose for which the plant is installed ; the ma- terial of which the boat is built ; the char- acter of the cargo ; the class of passengers ...
Сторінка 17
... necessary , lamps and sockets should be inclosed in waterproof globes . All cut - outs , switches , etc. , should be of moisture proof , incombustible material . Joints will prove a source of trouble INTRODUCTION 1 † Appliances.
... necessary , lamps and sockets should be inclosed in waterproof globes . All cut - outs , switches , etc. , should be of moisture proof , incombustible material . Joints will prove a source of trouble INTRODUCTION 1 † Appliances.
Сторінка 18
... necessary , springs should be provided to guard lamps or fixtures from injurious shocks . Lamps should be adapted to the purpose for which they are to be used both as regards candle power and economy . In the selection of measuring ...
... necessary , springs should be provided to guard lamps or fixtures from injurious shocks . Lamps should be adapted to the purpose for which they are to be used both as regards candle power and economy . In the selection of measuring ...
Сторінка 21
... necessary to connect with an alternating system , reducing to 50 volts , the system may be adapted to the wiring by installing converters in pairs and connecting their secondaries in series . If it is desirable . to operate a direct ...
... necessary to connect with an alternating system , reducing to 50 volts , the system may be adapted to the wiring by installing converters in pairs and connecting their secondaries in series . If it is desirable . to operate a direct ...
Сторінка 23
... necessary for the same reason . Outlets , especially side outlets , should be located as far as possible by actual dimensions in feet and inches from floors , ceilings or walls ; it is only necessary in some cases to specify that all ...
... necessary for the same reason . Outlets , especially side outlets , should be located as far as possible by actual dimensions in feet and inches from floors , ceilings or walls ; it is only necessary in some cases to specify that all ...
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Age money Alternating Current ampère meter apparatus appliances arc lamps armature attached automatic baseframe bidder shall fill bids building c. p. lamps cables candle power capacity carried ceiling cent centre of distribution cleats conductors conduit connections contractor shall furnish cross-arms cuits cut-out boxes cut-outs and switches Direct Current double-pole dynamo or circuit dynamos Trade number erect the following fastened fill out completely fixture foundation(s full load fuses hand regulator incandescent lamps inches incombustible bases installation insulated wire insulation resistance junction boxes knife switch least lightning arresters main wires ments moisture moisture-proof molding necessary non-combustible number of lights number or designation ohms operation outlets pipes placed plant porcelain potential pressure proper protected pulleys purchaser Rating of exciters riser feeder schedule securely set screws shunt Sockets soldered spark arresters specification steam struction switchboard taps three-wire tightened tion tube two-wire voltage voltmeter volts walls waterproof wire smaller