Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 1-5 із 35
Сторінка 21
... less remote future which will influence the char- acter of the system to be adopted . In this connection it may not be out of place to mention two methods of wiring which may be used where economy as well as adaptation to surroundings ...
... less remote future which will influence the char- acter of the system to be adopted . In this connection it may not be out of place to mention two methods of wiring which may be used where economy as well as adaptation to surroundings ...
Сторінка 23
... less importance is the position of all outlets and the number of lights per outlet , since this determines the number of circuits , the lengths and sizes of tap lines , the method of running the circuits , the number of cut- outs , and ...
... less importance is the position of all outlets and the number of lights per outlet , since this determines the number of circuits , the lengths and sizes of tap lines , the method of running the circuits , the number of cut- outs , and ...
Сторінка 35
... less than -days in advance . All work shall proceed as rapidly as is consistent with thoroughness and good workmanship , and shall be com- pleted in the following times : Installation of dynamos and apparatus within days after assigned ...
... less than -days in advance . All work shall proceed as rapidly as is consistent with thoroughness and good workmanship , and shall be com- pleted in the following times : Installation of dynamos and apparatus within days after assigned ...
Сторінка 42
... less than ohms between all ind parts insulated from each other ; shail be adapted to 42 ELECTRIC LIGHTING SPECIFICATIONS . INSTALLATION OF DYNAMOS AND SWITCHBOARDS POTENTIAL, DIRECT CURRENT SYSTEM, TWO-WIRE OR THREE-WIRE Dynamos.
... less than ohms between all ind parts insulated from each other ; shail be adapted to 42 ELECTRIC LIGHTING SPECIFICATIONS . INSTALLATION OF DYNAMOS AND SWITCHBOARDS POTENTIAL, DIRECT CURRENT SYSTEM, TWO-WIRE OR THREE-WIRE Dynamos.
Сторінка 46
... less than —- polarity being separated In no case shall insulated wires be carried in such proximity to heated surfaces , vapors , or air as to endanger their insulation . When the plant shall be ready for operation Plant and In the ...
... less than —- polarity being separated In no case shall insulated wires be carried in such proximity to heated surfaces , vapors , or air as to endanger their insulation . When the plant shall be ready for operation Plant and In the ...
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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