Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Сторінка 45
... constructed that the scale is plainly visible at a distance of at least one brush jig for trimming the brushes ; one insulating baseframe provided with rails and a suitable device for shifting the position of the dynamo to alter the ...
... constructed that the scale is plainly visible at a distance of at least one brush jig for trimming the brushes ; one insulating baseframe provided with rails and a suitable device for shifting the position of the dynamo to alter the ...
Сторінка 67
... constructed that the scale is plainly visible at a distance of at least —— ; one insulating baseframe provided with rails and a suitable device for shifting the position of the dynamo to alter the belt tension ; there shall be provided ...
... constructed that the scale is plainly visible at a distance of at least —— ; one insulating baseframe provided with rails and a suitable device for shifting the position of the dynamo to alter the belt tension ; there shall be provided ...
Сторінка 101
... constructed that when at the position marked " Off " the wires on the inside shall be entirely cut out of the main circuit . outriggers , in length for attaching to the exterior of buildings . outriggers , to poles . S plain in length ...
... constructed that when at the position marked " Off " the wires on the inside shall be entirely cut out of the main circuit . outriggers , in length for attaching to the exterior of buildings . outriggers , to poles . S plain in length ...
Сторінка 120
... constructed as not to maintain an arc after the discharge has passed . TESTING . - All series and alternating circuits must be tested every two hours while in oper- ation to discover any leakage to earth , abncr- mal in view of the ...
... constructed as not to maintain an arc after the discharge has passed . TESTING . - All series and alternating circuits must be tested every two hours while in oper- ation to discover any leakage to earth , abncr- mal in view of the ...
Сторінка 123
... constructed that it shall be automatic in its action , not stopping between points when started , and prevent an arc between the points under all circum- stances ; it must indicate on inspection whether the current be " on " or " off ...
... constructed that it shall be automatic in its action , not stopping between points when started , and prevent an arc between the points under all circum- stances ; it must indicate on inspection whether the current be " on " or " off ...
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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