Electric Lighting Specifications for the Use of Engineers and ArchitectsW. J. Johnston Company, 1896 - 213 стор. |
З цієї книги
Результати 1-5 із 14
Сторінка 65
... cuits in parallel , the appliances and con- nections shall be such as will permit adding to or taking from the circuit any 42. Circuits . dynamo without in any manner affecting the ELECTRIC LIGHTING SPECIFICATIONS . 65 Switchboard ...
... cuits in parallel , the appliances and con- nections shall be such as will permit adding to or taking from the circuit any 42. Circuits . dynamo without in any manner affecting the ELECTRIC LIGHTING SPECIFICATIONS . 65 Switchboard ...
Сторінка 70
... cuits of the excited dynamos , and one double - pole knife switch and double - pole fusible cut - out for each of the above field circuits , including that of the exciting dy- namo unless lights are operated there- from , in which 70 ...
... cuits of the excited dynamos , and one double - pole knife switch and double - pole fusible cut - out for each of the above field circuits , including that of the exciting dy- namo unless lights are operated there- from , in which 70 ...
Сторінка 73
... cuits . ( They shall also be arranged in such manner as to render it possible to connect two dynamos in parallel by an arrangement of switches or combination of circuits . ) ( For switchboard connec- tions see secs . 30 and 31 , pp . 55 ...
... cuits . ( They shall also be arranged in such manner as to render it possible to connect two dynamos in parallel by an arrangement of switches or combination of circuits . ) ( For switchboard connec- tions see secs . 30 and 31 , pp . 55 ...
Сторінка 83
... cuit , or the candle - power and steadiness of the lamps . For the three - wire , direct - current sys- tem the appliances ... cuits , and the cutting in or out of any dy- 64. Circuits . namo or circuit with certainty and rapid- ELECTRIC ...
... cuit , or the candle - power and steadiness of the lamps . For the three - wire , direct - current sys- tem the appliances ... cuits , and the cutting in or out of any dy- 64. Circuits . namo or circuit with certainty and rapid- ELECTRIC ...
Сторінка 106
... , lamps or more , and for special cir- cuits specifically mentioned . In all three- wire distribution circuits the neutral shall be equal in cross 106 ELECTRIC LIGHTING SPECIFICATIONS . THREE-WIRE SYSTEM ADAPTED TO TWO- WIRE SYSTEM System.
... , lamps or more , and for special cir- cuits specifically mentioned . In all three- wire distribution circuits the neutral shall be equal in cross 106 ELECTRIC LIGHTING SPECIFICATIONS . THREE-WIRE SYSTEM ADAPTED TO TWO- WIRE SYSTEM System.
Інші видання - Показати все
Загальні терміни та фрази
Alternating Current ampere meter apparatus and material approved arc lamps Architects armature attached automatic baseframe bidder shall fill bids binding posts candle-power capacity carried ceiling cleats conductors conduit contractor shall furnish cuits cut-outs and switches Direct Current distribution circuits double-pole dynamos Trade number Electric erect the follow fill out completely fixtures floor foundation foundation(s full load ground detector H. P. required hand regulator hanger boards Incandescent incombustible bases installation insulated junction boxes justment kilowatts knife switch least C. M. less than ohms lightning arresters load for consecutive lugs or set main wires manner affecting namo Number of lights number or designation operating dynamos outlets pipe placed pole potential pressure proper pulley at full purchaser Rating of exciters ratus riser feeder Riser Group securely fastened set screw Sockets soldered Spark arresters specifications spirit and intent suitable device sulated taps tests Three-Wire tightened tion tube voltage voltmeter volts
Популярні уривки
Сторінка 211 - Should the Contractor be obstructed or delayed in the prosecution or completion of his work by the act, neglect, delay or default of the Owner, or the Architects, or of any other contractor...
Сторінка 170 - Underground Conductors. a. Must be protected against moisture and mechanical injury where brought into a building, and all combustible material must be kept from the immediate vicinity. b. Must not be so arranged as to shunt the current through a building around any catch-box.
Сторінка 173 - Must be so spliced or joined as to be both mechanically and electrically secure without solder. The joints must then be soldered, to insure preservation, and covered with an insulation equal to that on the conductors.
Сторінка 183 - No combination fixture in which the conductors are concealed in a space less than one-fourth inch between the inside pipe and the outside casing will be approved. e. Must be tested for "contacts" between conductors and fixtures, for "short circuits" and for ground connections before it is connected to its supply conductors.
Сторінка 211 - ... of the Contractor, then the time herein fixed for the completion of the work shall be extended for a period equivalent to the time lost by reason of any or all of the causes aforesaid ; but no such allowance shall be made unless a claim therefor is presented in writing to the Architects within twenty-four hours of the occurrence of such delay.
Сторінка 207 - No alterations shall be made in the work shown or described by the drawings and specifications, except upon a written order of the Architect...
Сторінка 194 - Special attention is called to the fact that switchboards should not be built down to the floor, nor up to the ceiling, but a space of at least ten or twelve inches should be left between the floor and the board, and from eighteen to twenty-four inches between the ceiling and the board, in order to prevent fire from communicating from the switchboard to the floor or ceiling and also to prevent the forming of a partially concealed space very...
Сторінка 213 - If at any time there shall be evidence of any lien or claim for which, if established, the Owner of the said premises might become liable, and which is chargeable to the Contractor , the Owner shall have the right to retain out of any payment then due or thereafter to become due an amount sufficient to completely indemnify against such lien or claim.
Сторінка 212 - ART. ix. It is hereby mutually agreed between the parties hereto that the sum to be paid by the Owner to the Contractor for said work and materials shall be $ , subject to additions and deductions as hereinbefore provided, and that such sum shall be paid in current funds by the Owner to the Contractor in installments, as follows: The final payment shall be made within days after this contract is fulfilled.
Сторінка 199 - The insulating covering of the wire to be approved under this section must be solid, at least 3 -64th of an inch in thickness, and covered with a substantial braid. It must not readily carry fire, must show an insulating resistance of one megohm per mile after two weeks...