Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 6-10 із 19
Сторінка 91
... , leaving the outlets so protected as not to be injured by the plasterers . 1 137. Floor Work . 138. Separa- tion of Wires . ELECTRIC LIGHTING SPECIFICATIONS , 91 Joints Sizes of Tubes Clips Joints Elbow Limitation Outlets.
... , leaving the outlets so protected as not to be injured by the plasterers . 1 137. Floor Work . 138. Separa- tion of Wires . ELECTRIC LIGHTING SPECIFICATIONS , 91 Joints Sizes of Tubes Clips Joints Elbow Limitation Outlets.
Сторінка 92
... injury and the destructive action of cement , all floor con- duits shall be made of double tube , one tele- scoped within the other , and both the outer and inner tubes joined in the usual manner . The outer tube shall , in the case of ...
... injury and the destructive action of cement , all floor con- duits shall be made of double tube , one tele- scoped within the other , and both the outer and inner tubes joined in the usual manner . The outer tube shall , in the case of ...
Сторінка 123
... injury . Conductors thus placed may be run not less than three inches apart , and be fastened with staples , under which are placed mechanically rigid insulating strips or saddles of greater width than the metal of the staple ELECTRIC ...
... injury . Conductors thus placed may be run not less than three inches apart , and be fastened with staples , under which are placed mechanically rigid insulating strips or saddles of greater width than the metal of the staple ELECTRIC ...
Сторінка 124
... injury to the tube may be prevented . 6. In damp places , attached to glass or porcelain insulators , and separated ten inches or more . 7. When passing through walls , floors , tim- bers , or partitions , treated as in central sta ...
... injury to the tube may be prevented . 6. In damp places , attached to glass or porcelain insulators , and separated ten inches or more . 7. When passing through walls , floors , tim- bers , or partitions , treated as in central sta ...
Сторінка 127
... injury to the insula- tion of the conductor . 2. Under conditions in which cleatwork would be acceptable , or where driven into a molding specially adapted for open work . Special Wiring . Wherever conductors cross gas , water , or ...
... injury to the insula- tion of the conductor . 2. Under conditions in which cleatwork would be acceptable , or where driven into a molding specially adapted for open work . Special Wiring . Wherever conductors cross gas , water , or ...
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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