Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
З цієї книги
Результати 1-5 із 20
Сторінка 22
... pole line and labor , can be very materially reduced by using the double three - wire system with a 250 - volt dyna- mo and two lamps in series on either side of the system . Of paramount importance to bidders esti- mating on wiring ...
... pole line and labor , can be very materially reduced by using the double three - wire system with a 250 - volt dyna- mo and two lamps in series on either side of the system . Of paramount importance to bidders esti- mating on wiring ...
Сторінка 29
... pole . Switches . Double " ments . Three wire . Cut - outs . Single pole . Double " Three wire . Breakdown . Throwover . Dynamo changing . Circuit changing . Short circuiting . Reversing , etc. ( Fusible . Automatic . Magnetic . Number ...
... pole . Switches . Double " ments . Three wire . Cut - outs . Single pole . Double " Three wire . Breakdown . Throwover . Dynamo changing . Circuit changing . Short circuiting . Reversing , etc. ( Fusible . Automatic . Magnetic . Number ...
Сторінка 30
... Double 66 Triple 66 Seven - hour , single mechanism . Fourteen - hour , " Plain or ornamental . " " Fixtures ? Pole line ? Interior . Number . Kind 30 ELECTRIC LIGHTING SPECIFICATIONS .
... Double 66 Triple 66 Seven - hour , single mechanism . Fourteen - hour , " Plain or ornamental . " " Fixtures ? Pole line ? Interior . Number . Kind 30 ELECTRIC LIGHTING SPECIFICATIONS .
Сторінка 49
... double - pole fusible cut - outs . ( switches , cut - outs , etc. , for purely local con- ditions ) . All switches carrying over -- ampères shall be knife switches ; all other switches shall have sliding contacts , and shall make C14 20 ...
... double - pole fusible cut - outs . ( switches , cut - outs , etc. , for purely local con- ditions ) . All switches carrying over -- ampères shall be knife switches ; all other switches shall have sliding contacts , and shall make C14 20 ...
Сторінка 61
... double - pole knife switch mounted on an incombustible base , one double - pole fusible cut - out mounted on an incombustible base ; if the fields are separately excited there shall be provided with the exciting dynamo one insulating ...
... double - pole knife switch mounted on an incombustible base , one double - pole fusible cut - out mounted on an incombustible base ; if the fields are separately excited there shall be provided with the exciting dynamo one insulating ...
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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