Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Сторінка 39
... struction , relation of one part of the installa- tion to another , time intervening between the completion of the plant and its active opera- tion , operation before completion and like considerations should be given careful atten ...
... struction , relation of one part of the installa- tion to another , time intervening between the completion of the plant and its active opera- tion , operation before completion and like considerations should be given careful atten ...
Сторінка 45
... . Cables to operating in parallel the equalizing wire may often more conveniently be carried direct 25. Starting struction . from dynamo to dynamo , in ELECTRIC LIGHTING SPECIFICATIONS . 45 Instruments Cables to Switchboard.
... . Cables to operating in parallel the equalizing wire may often more conveniently be carried direct 25. Starting struction . from dynamo to dynamo , in ELECTRIC LIGHTING SPECIFICATIONS . 45 Instruments Cables to Switchboard.
Сторінка 46
Earl Abbott Merrill. 25. Starting struction . from dynamo to dynamo , in which case this contractor should furnish and connect a suita- ble equalizing switch at each dynamo . ) This contractor shall carry to the switch- board location at ...
Earl Abbott Merrill. 25. Starting struction . from dynamo to dynamo , in which case this contractor should furnish and connect a suita- ble equalizing switch at each dynamo . ) This contractor shall carry to the switch- board location at ...
Сторінка 56
... struction . 38. Renewal Parts . ciably from its normal value under any con- dition of load . There shall be provided for each circuit one ampère meter for indicating the current in said circuit , one ground detec- tor which shall ...
... struction . 38. Renewal Parts . ciably from its normal value under any con- dition of load . There shall be provided for each circuit one ampère meter for indicating the current in said circuit , one ground detec- tor which shall ...
Сторінка 62
... struction . 49. Renewal Parts . marked upon it ; shall be provided with fuses on both the primary and secondary circuits ; and shall be so arranged that when replacing fuses or otherwise working about the con- verter both the primary ...
... struction . 49. Renewal Parts . marked upon it ; shall be provided with fuses on both the primary and secondary circuits ; and shall be so arranged that when replacing fuses or otherwise working about the con- verter both the primary ...
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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