A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
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Сторінка 47
... protected by at least two coats of water - proof paint over their entire surface ; and when used to support rubber hooks , must have at least one inch of wood between the inner end of the hook and the back of the block . 9. For entering ...
... protected by at least two coats of water - proof paint over their entire surface ; and when used to support rubber hooks , must have at least one inch of wood between the inner end of the hook and the back of the block . 9. For entering ...
Сторінка 49
... protected by a wire netting . Unless a very high globe , which closes in as far as possible at the top , is used , it must be provided with some protector or spark arrester , reaching to a safe distance above the light . Broken or ...
... protected by a wire netting . Unless a very high globe , which closes in as far as possible at the top , is used , it must be provided with some protector or spark arrester , reaching to a safe distance above the light . Broken or ...
Сторінка 52
... protected by at least two coats of water - proof paint over their entire surface ; and when used to support rubber hooks , must have at least one inch of wood between the inner end of the hook and the back of the block . IO . For ...
... protected by at least two coats of water - proof paint over their entire surface ; and when used to support rubber hooks , must have at least one inch of wood between the inner end of the hook and the back of the block . IO . For ...
Сторінка 53
... protect them in such a manner that they cannot come in contact with each other , nor with the tube , nor be acted upon by falling moisture , nor disturbed by anything being moved against them , etc. 14. This service must not end in any ...
... protect them in such a manner that they cannot come in contact with each other , nor with the tube , nor be acted upon by falling moisture , nor disturbed by anything being moved against them , etc. 14. This service must not end in any ...
Сторінка 54
... protected by at least two coats of water - proof paint , and the moulding of such shape as to protect the wire from moisture , will be approved . 21. When wires are run in new buildings , and are to be concealed from view by walls and ...
... protected by at least two coats of water - proof paint , and the moulding of such shape as to protect the wire from moisture , will be approved . 21. When wires are run in new buildings , and are to be concealed from view by walls and ...
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.