Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 1-5 із 35
Сторінка 4
... SWITCHBOARDS . LOW POTENTIAL , DIRECT CURRENT SYSTEM , TWO - WIRE OR THREE - WIRE . Dynamos 42 Foundations 44 Instruments 45 Cables to Switchboard 45 Starting Plant and Instruction 46 Renewal Parts 47 Summary 47 Switchboard 48 Switchboard ...
... SWITCHBOARDS . LOW POTENTIAL , DIRECT CURRENT SYSTEM , TWO - WIRE OR THREE - WIRE . Dynamos 42 Foundations 44 Instruments 45 Cables to Switchboard 45 Starting Plant and Instruction 46 Renewal Parts 47 Summary 47 Switchboard 48 Switchboard ...
Сторінка 5
... Switchboard 63 Switchboard Apparatus and Connections 63 Circuits 63 ALTERNATING CURRENT OR DIRECT CURRENT SYSTEM WITH THE PARALLEL SYSTEM OF DISTRIBUTION . Dynamos - Foundations Instruments Converters 64 65 66 67 Cables to Switchboard ...
... Switchboard 63 Switchboard Apparatus and Connections 63 Circuits 63 ALTERNATING CURRENT OR DIRECT CURRENT SYSTEM WITH THE PARALLEL SYSTEM OF DISTRIBUTION . Dynamos - Foundations Instruments Converters 64 65 66 67 Cables to Switchboard ...
Сторінка 6
Earl Abbott Merrill. PAGE . Instruments 72 Cables to Switchboard 73 Arc Lamps 73 Hanger Boards 73 Hoods 73 Globes 74 Spark Arresters and Nets 74 Carbons 74 Starting Plant and Instruction 74 Renewal Parts 74 Summary 74 Switchboard ...
Earl Abbott Merrill. PAGE . Instruments 72 Cables to Switchboard 73 Arc Lamps 73 Hanger Boards 73 Hoods 73 Globes 74 Spark Arresters and Nets 74 Carbons 74 Starting Plant and Instruction 74 Renewal Parts 74 Summary 74 Switchboard ...
Сторінка 17
... switchboard should be so arranged that any circuit or circuits may be attached to any dynamo ; that dynamos may be opera- ted separately or in parallel ; that any dynamo may be added to cr taken from the circuit quickly and without ...
... switchboard should be so arranged that any circuit or circuits may be attached to any dynamo ; that dynamos may be opera- ted separately or in parallel ; that any dynamo may be added to cr taken from the circuit quickly and without ...
Сторінка 22
... switchboard and the risers , or feeders . In a large installation with a small percentage of loss , a difference of 50 feet in the position of the switchboard may entirely alter the location of the risers , or of the distribution boxes ...
... switchboard and the risers , or feeders . In a large installation with a small percentage of loss , a difference of 50 feet in the position of the switchboard may entirely alter the location of the risers , or of the distribution boxes ...
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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