Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
З цієї книги
Результати 6-10 із 35
Сторінка 89
... conductor in each group of risers and main shall be provided with an inde- pendent tube . Riser Group Feeder Sriser No. 1 shall feed all lights ( loca- tion ) , group No. 2 shall feed , etc. feeder From the ( risers { feeders } ...
... conductor in each group of risers and main shall be provided with an inde- pendent tube . Riser Group Feeder Sriser No. 1 shall feed all lights ( loca- tion ) , group No. 2 shall feed , etc. feeder From the ( risers { feeders } ...
Сторінка 119
... CONDUCTORS . From generators , switch- boards , rheostats , or other instruments , and thence to outside lines , conductors must be : 1. In plain sight . 2. Wholly on non - combustible insulators , such as glass or porcelain . 3 ...
... CONDUCTORS . From generators , switch- boards , rheostats , or other instruments , and thence to outside lines , conductors must be : 1. In plain sight . 2. Wholly on non - combustible insulators , such as glass or porcelain . 3 ...
Сторінка 120
... conductors . RESISTANCE BOXES AND EQUALIZERS - Must be : 1. Equipped with metal or non - combustible frames . 2. Treated as sources of heat . 3. Placed on the switch , or a distance of a foot from comustible material , or separated ...
... conductors . RESISTANCE BOXES AND EQUALIZERS - Must be : 1. Equipped with metal or non - combustible frames . 2. Treated as sources of heat . 3. Placed on the switch , or a distance of a foot from comustible material , or separated ...
Сторінка 121
... CONDUCTORS . - All outside overhead conductors ( including services ) must be : 1. Covered with some insulating material not easily abraded . 2. Firmly secured to properly insulated and substantially built supports , all the wires hav ...
... CONDUCTORS . - All outside overhead conductors ( including services ) must be : 1. Covered with some insulating material not easily abraded . 2. Firmly secured to properly insulated and substantially built supports , all the wires hav ...
Сторінка 122
... Conductors should not be run attached to buildings other than those in which light or power is being , or is to be ... Conductors . ALL INTERIOR CONDUCTORS - Must be : 1. Where they enter buildings from outside . terminal insulators to ...
... Conductors should not be run attached to buildings other than those in which light or power is being , or is to be ... Conductors . ALL INTERIOR CONDUCTORS - Must be : 1. Where they enter buildings from outside . terminal insulators to ...
Інші видання - Показати все
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