Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
З цієї книги
Результати 6-10 із 34
Сторінка 50
... grounds are impossible in the normal operation of the plant . All main wires shall have a capacity of at least per ampère , and no wire smaller than & S. or B. W. G. shall be used . C. M. B. All dynamo , ' bus , feeder and riser wires ...
... grounds are impossible in the normal operation of the plant . All main wires shall have a capacity of at least per ampère , and no wire smaller than & S. or B. W. G. shall be used . C. M. B. All dynamo , ' bus , feeder and riser wires ...
Сторінка 51
... ground detectors , etc. , shall rear be made on the surface of the board using insulated wire . All joints shall be sold- ered . All connections to switches , cut - outs , etc. , shall be soldered or made with an approved form of lug or ...
... ground detectors , etc. , shall rear be made on the surface of the board using insulated wire . All joints shall be sold- ered . All connections to switches , cut - outs , etc. , shall be soldered or made with an approved form of lug or ...
Сторінка 55
... ground will be . ( See Note : p . 45 , sec . 23. ) There shall be provided with each dynamo one voltmeter or pressure indicator which shall remain constantly in circuit so as to indicate at all times the pressure at the point to which ...
... ground will be . ( See Note : p . 45 , sec . 23. ) There shall be provided with each dynamo one voltmeter or pressure indicator which shall remain constantly in circuit so as to indicate at all times the pressure at the point to which ...
Сторінка 56
... ground detec- tor which shall continuously indicate the insu- lation from the ground maintained at both poles and approximately the distance of any ground from the station , and one pair of efficient lighting arresters . There shall ...
... ground detec- tor which shall continuously indicate the insu- lation from the ground maintained at both poles and approximately the distance of any ground from the station , and one pair of efficient lighting arresters . There shall ...
Сторінка 60
... ground or cross them on themselves or on the armature circuit ; if separately excited the exciting dynamo ( s ) also shall be subject to the general conditions given above , shall operate at a potential not exceeding volts , shall be of ...
... ground or cross them on themselves or on the armature circuit ; if separately excited the exciting dynamo ( s ) also shall be subject to the general conditions given above , shall operate at a potential not exceeding volts , shall be of ...
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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