Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Сторінка 10
... Lightning Arresters Maximum Fall of Potential Note ALTERNATING CURRENT SYSTEM . PAGE . -96 97 97 97 97 98 98 98 99 STREET LIGHTING CIRCUITS - ARC OR INCANDESCENT . Note 99 Poles 99 Gains and Cross - arms 99 Steps 100 Suspension of Lamps ...
... Lightning Arresters Maximum Fall of Potential Note ALTERNATING CURRENT SYSTEM . PAGE . -96 97 97 97 97 98 98 98 99 STREET LIGHTING CIRCUITS - ARC OR INCANDESCENT . Note 99 Poles 99 Gains and Cross - arms 99 Steps 100 Suspension of Lamps ...
Сторінка 29
... Lightning arresters . Ground detectors . Testing sets . [ Plug . Snap . Switch- Knife . boards ? Automatic . Instru- Single pole . Switches . Double " ments . Three wire . Cut - outs . Single pole . Double " Three wire . Breakdown ...
... Lightning arresters . Ground detectors . Testing sets . [ Plug . Snap . Switch- Knife . boards ? Automatic . Instru- Single pole . Switches . Double " ments . Three wire . Cut - outs . Single pole . Double " Three wire . Breakdown ...
Сторінка 31
... . Number of street lamps . Insulation . Poles . Cross arms . Pins and insulators . Steps . Line lightning arresters . Fall of potential . ( Number . Horizontal . Vertical . Kind . High ELECTRIC LIGHTING SPECIFICATIONS . 31.
... . Number of street lamps . Insulation . Poles . Cross arms . Pins and insulators . Steps . Line lightning arresters . Fall of potential . ( Number . Horizontal . Vertical . Kind . High ELECTRIC LIGHTING SPECIFICATIONS . 31.
Сторінка 45
... insulation from the ground maintained on both sides throughout the system , and lighting arresters of the most efficient type known . 47 23. Instru- ments . Switch- board . ( Note . In the case of compound dynamos 24. Cables to ...
... insulation from the ground maintained on both sides throughout the system , and lighting arresters of the most efficient type known . 47 23. Instru- ments . Switch- board . ( Note . In the case of compound dynamos 24. Cables to ...
Сторінка 56
... lighting arresters . There shall also be provided one testing magneto capable of ringing through ohms . This contractor shall carry to the switch- board location at all regulator , exciter , auxiliary , and main wires , leaving the ends ...
... lighting arresters . There shall also be provided one testing magneto capable of ringing through ohms . This contractor shall carry to the switch- board location at all regulator , exciter , auxiliary , and main wires , leaving the ends ...
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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