Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 1-5 із 16
Сторінка 30
... Porcelain . Base . receptacles ? Finish . Wood , etc. Plain . Polished . [ Waterproof . Plated , etc. Lamps ? Incandescent . Number . Voltage or ampèrage . Candle power . Plain . Kind . Frosted . Colored , etc. Number . Arc . Candle ...
... Porcelain . Base . receptacles ? Finish . Wood , etc. Plain . Polished . [ Waterproof . Plated , etc. Lamps ? Incandescent . Number . Voltage or ampèrage . Candle power . Plain . Kind . Frosted . Colored , etc. Number . Arc . Candle ...
Сторінка 46
... porcelain insulators . carefully cleated to the ceiling , carried on porcelain insulators , concealed in molding consisting of a backing -thick and a capping thick wires of opposite not less than —- polarity being separated In no case ...
... porcelain insulators . carefully cleated to the ceiling , carried on porcelain insulators , concealed in molding consisting of a backing -thick and a capping thick wires of opposite not less than —- polarity being separated In no case ...
Сторінка 68
... porcelain insulators . carefully cleated to the ceiling , carried on porcelain in- sulators , insulated wire ing concealed in a molding consisting of a back- thick and a capping thick wires of opposite polarity being separated not less ...
... porcelain insulators . carefully cleated to the ceiling , carried on porcelain in- sulators , insulated wire ing concealed in a molding consisting of a back- thick and a capping thick wires of opposite polarity being separated not less ...
Сторінка 119
... porcelain . 3. Separated from contact with floors , par- titions or walls through which they may pass by non - combustible insulating tubes . 4. Kept rigidly so far apart that they can- not come in contact . 5. Covered with non ...
... porcelain . 3. Separated from contact with floors , par- titions or walls through which they may pass by non - combustible insulating tubes . 4. Kept rigidly so far apart that they can- not come in contact . 5. Covered with non ...
Сторінка 122
... porcelain . Porcelain knobs and rub- ber hooks are prohibited . 7. So spliced or joined as to be both mechan- ically and electrically secure without solder . They must then be soldered to insure preser- vation , and covered with an ...
... porcelain . Porcelain knobs and rub- ber hooks are prohibited . 7. So spliced or joined as to be both mechan- ically and electrically secure without solder . They must then be soldered to insure preser- vation , and covered with an ...
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Загальні терміни та фрази
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