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 10
Сторінка 48
... moisture , and easy of access to firemen and police . INSIDE WIRING . 16. Wires must not be concealed ; they must be run in plain sight so as to be open to inspection at any time . They should be kept apart at least twelve inches . 17 ...
... moisture , and easy of access to firemen and police . INSIDE WIRING . 16. Wires must not be concealed ; they must be run in plain sight so as to be open to inspection at any time . They should be kept apart at least twelve inches . 17 ...
Сторінка 50
... moisture . They must be kept thoroughly clean and dry . They must be provided with a reliable automatic regulating device , or a competent person must be in attendance near the machine whenever it is in operation . In wiring for motive ...
... moisture . They must be kept thoroughly clean and dry . They must be provided with a reliable automatic regulating device , or a competent person must be in attendance near the machine whenever it is in operation . In wiring for motive ...
Сторінка 53
... moisture , nor disturbed by anything being moved against them , etc. 14. This service must not end in any place where it would be unsafe or undesirable to place a cut - out , but should be continued by means of specially insulated con ...
... moisture , nor disturbed by anything being moved against them , etc. 14. This service must not end in any place where it would be unsafe or undesirable to place a cut - out , but should be continued by means of specially insulated con ...
Сторінка 54
... moisture , will be approved . 21. When wires are run in new buildings , and are to be concealed from view by walls and ceilings , care must be taken to separate them ten inches or more , whenever it is possible to do so , by running ...
... moisture , will be approved . 21. When wires are run in new buildings , and are to be concealed from view by walls and ceilings , care must be taken to separate them ten inches or more , whenever it is possible to do so , by running ...
Сторінка 55
... moisture ) , porcelain or other approved material , and so made as to separate the wire at least one - fourth inch from the building . When secured by cleats not over four feet apart and tightly stretched in the same horizontal plane ...
... moisture ) , porcelain or other approved material , and so made as to separate the wire at least one - fourth inch from the building . When secured by cleats not over four feet apart and tightly stretched in the same horizontal plane ...
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.