Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 1-5 із 17
Сторінка 17
... metal junction boxes , switches , receptacles , and other apparatus or appliances carrying current , should be care- fully insulated from the ship . All junction boxes , switches , conductors , and entrances to fixtures should be water ...
... metal junction boxes , switches , receptacles , and other apparatus or appliances carrying current , should be care- fully insulated from the ship . All junction boxes , switches , conductors , and entrances to fixtures should be water ...
Сторінка 50
... metal cannot be spattered about on the fusing of the strip . All switches and cut - outs shall be mounted on incombustible bases . All connecting wires shall be carried back of the switchboard using only insulated wire . All joints ...
... metal cannot be spattered about on the fusing of the strip . All switches and cut - outs shall be mounted on incombustible bases . All connecting wires shall be carried back of the switchboard using only insulated wire . All joints ...
Сторінка 55
... metal is used to fasten framing or baseframe to the foundation it must be thor- oughly insulated where it passes through them , and at all places liable to come in con- tact with the dynamo must be countersunk and covered with a ...
... metal is used to fasten framing or baseframe to the foundation it must be thor- oughly insulated where it passes through them , and at all places liable to come in con- tact with the dynamo must be countersunk and covered with a ...
Сторінка 56
... metal pipes , girders , etc. , shall be further protected by In no case shall insulated wires be car- ried in such proximity to heated surfaces , vapors , or air as to endanger their insulation . ( See p . 46 , sec . 25. ) ( See p . 47 ...
... metal pipes , girders , etc. , shall be further protected by In no case shall insulated wires be car- ried in such proximity to heated surfaces , vapors , or air as to endanger their insulation . ( See p . 46 , sec . 25. ) ( See p . 47 ...
Сторінка 66
... metal is used to fasten framing or base- frame to the foundation it shall be thoroughly insulated where it passes through them , and at all places liable to come in contact with the dynamo shall be countersunk and covered with a ...
... metal is used to fasten framing or base- frame to the foundation it shall be thoroughly insulated where it passes through them , and at all places liable to come in contact with the dynamo shall be countersunk and covered with a ...
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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