Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
З цієї книги
Результати 6-10 із 13
Сторінка 59
... insulation or de- crease the efficiency of operation ; shall have an insulation resistance of not less than ohms between all parts insulated from each other ; shall be adapted to operate at such speed as will allow the use of high ...
... insulation or de- crease the efficiency of operation ; shall have an insulation resistance of not less than ohms between all parts insulated from each other ; shall be adapted to operate at such speed as will allow the use of high ...
Сторінка 71
... insulation or decrease the efficiency of opera- tion ; shall have an insulation resistance of 66. Founda- tions . 67. Instru- ments . not less ELECTRIC LIGHTING SPECIFICATIONS . 71 Circuits ARC SERIES SYSTEM, DIRECT CURRENT.
... insulation or decrease the efficiency of opera- tion ; shall have an insulation resistance of 66. Founda- tions . 67. Instru- ments . not less ELECTRIC LIGHTING SPECIFICATIONS . 71 Circuits ARC SERIES SYSTEM, DIRECT CURRENT.
Сторінка 78
Earl Abbott Merrill. 87. Insula- tion Resist- auce . Each ( riser , Federmain , and tap shall test out with an insulation resistance of at least ohms . The entire installation shall test out with an insulation resistance of at least ohms ...
Earl Abbott Merrill. 87. Insula- tion Resist- auce . Each ( riser , Federmain , and tap shall test out with an insulation resistance of at least ohms . The entire installation shall test out with an insulation resistance of at least ohms ...
Сторінка 85
... of two wires only except to outlets for a group of c . P. , I A lamps or more , and for special circuits speci- fically ELECTRIC LIGHTING SPECIFICATIONS . 85 Insulation Resistance Three-wire System adapted to the Two-wire.
... of two wires only except to outlets for a group of c . P. , I A lamps or more , and for special circuits speci- fically ELECTRIC LIGHTING SPECIFICATIONS . 85 Insulation Resistance Three-wire System adapted to the Two-wire.
Сторінка 86
... Resist- ance . All wire used ... resistance of at least ohms . 111. Joints . See p . 80 , sec . 92 . 112. Method of Wiring . All interior wires shall be run Son insulators ) in conduits ) in such a manner that the highest possible insulation ...
... Resist- ance . All wire used ... resistance of at least ohms . 111. Joints . See p . 80 , sec . 92 . 112. Method of Wiring . All interior wires shall be run Son insulators ) in conduits ) in such a manner that the highest possible insulation ...
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