A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
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Результати 1-5 із 9
Сторінка 47
... tion . 6. When they are in proximity to other conducting wires , or any substance likely to divert any portion of the current , dead , insulated guard - irons must be placed so as to prevent any possibility of contact in case of ...
... tion . 6. When they are in proximity to other conducting wires , or any substance likely to divert any portion of the current , dead , insulated guard - irons must be placed so as to prevent any possibility of contact in case of ...
Сторінка 51
... in which the light or power is being , or is to be , used , but should be on separate poles , or structures , where they can be easily reached for inspec- tion . 6. When they are in proximity to other conducting wires 51.
... in which the light or power is being , or is to be , used , but should be on separate poles , or structures , where they can be easily reached for inspec- tion . 6. When they are in proximity to other conducting wires 51.
Сторінка 57
... by the pressure of the fastenings or motion of the fixture . 51. All wire used for fixture work must have an insula- tion that is durable , and not easily abraded ; and must not in any case be smaller than No. 18 " B. 57.
... by the pressure of the fastenings or motion of the fixture . 51. All wire used for fixture work must have an insula- tion that is durable , and not easily abraded ; and must not in any case be smaller than No. 18 " B. 57.
Сторінка 59
... tion must have the approval of the inspector before the current is turned on . 65. The converter should be enclosed in a metallic or non - combustible case . 66. If for any reason it becomes necessary that the primary wires leading to ...
... tion must have the approval of the inspector before the current is turned on . 65. The converter should be enclosed in a metallic or non - combustible case . 66. If for any reason it becomes necessary that the primary wires leading to ...
Сторінка 66
... tion . 27. In all cases of concealed work , the company pro- posing to introduce the same , will be required to furnish the Board with a detailed diagram of the work , showing the kind and size of wire used at the different branches ...
... tion . 27. In all cases of concealed work , the company pro- posing to introduce the same , will be required to furnish the Board with a detailed diagram of the work , showing the kind and size of wire used at the different branches ...
Інші видання - Показати все
A Hand-Book of Wiring Tables for Arc, Incandescent Lighting, and Motor Circuits Arthur Eugene Watson Попередній перегляд недоступний - 2018 |
A Hand-Book of Wiring Tables for ARC, Incandescent Lighting, and Motor Circuits Arthur Eugene Watson Попередній перегляд недоступний - 2015 |
Загальні терміни та фрази
104-volt lamps 16 c. p. lamps 52-volt lamps alternating current amperes Amperex approved insulation arc circuits arc lamps arc system ARC-LIGHT Area in CM=d2 attached to build automatic Board cent loss center of distribution circular mills Cleats Cloth Bound conducting wires conductors covered Diameter in Mils direct current Distance in feet dynamo EDISON SYSTEM edition Edward Trevert electric light wires Electricians electro-motive force England Insurance Exchange enter the building entering buildings erected extra heavy Farad feet from transformer fixtures Formula Hand-book house mains incandescent lamps Incandescent System inflammable material INSIDE WIRING joints line wire located magneto material mechanical injury moisture Nostrand's Science Series number of lamps ohms overhead wires pipe poles porcelain Practical Primary Mains Pure Copper Wire regulations rheostat rubber hooks rules secondary mains secured Series motors size of wire soldered spark arrester supply wires Telegra tion tube two-wire system voltage water-proof insulation Watts WIRING TABLE
Популярні уривки
Сторінка 58 - Flexible cord must not be used except for pendants, wiring of fixtures, portable lamps or motors, portable heating apparatus or other portable devices.
Сторінка 51 - ... c. Must be at least seven feet above the highest point of flat roofs, and at least one foot above the ridge of pitched roofs over which they pass or to which they are attached.