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Книги Книги 1 - 10 з 25 у Arresters should be attached to each side of every overhead circuit connected with....
" Arresters should be attached to each side of every overhead circuit connected with the station. It is recommended to all electric light and power companies that arresters be connected at intervals over systems in such numbers and so located as to prevent... "
Convention - Сторінка 104
автори: National Electric Light Association. Convention - 1892
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The Electrical Review, Том 8

1891
...conductors. Rtxutance-bozes and Equaiisers—lnlust be : 1- Equipped with metal or non-combuetible frames. 2. Treated as sources of heat. 3. Placed on...Attached to each side of every overhead circuit connected <nth the station . . * Presented and adopted by the National Electric Light Association, Montreal,...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1892 - 176 стор.
...conductors. RESISTANCE BOXES AND EQUALIZERS — Must be : 1. Equipped with metal or non- combustible frames. 2. Treated as sources of heat. 3. Placed on the switch, or a distance of a foot from comustible material, or separated therefrom by asbestos or cement. LIGHTNING ARRESTERS— Must be :...
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Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 стор.
...metal or other non-combustible frames. 6. Must be placed on the switchboard, or, if not thereon, at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS— a. Must be attached...
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Electrical Engineer, Том 17

1894
...combutalble material, or separated therefrom by asbestos or cement. Lightning Arretiere. 1. Must be attached to each side of every overhead circuit connected with the station. 2. Must be In plain sight. 8. Must be on the switchboard, or In an equally accessible place, away from...
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The Electrical Transmission of Energy: A Manual for the Design of Electrical ...

Arthur Vaughan Abbott - 1895 - 586 стор.
...combustible material, or separated there from by asbestos or cement. 122. LIGHTNING ARRESTERS. 1. Must be attached to each side of every overhead circuit connected with the station. 2. Must be in plain sight. 3. Must be on the switchboard, or in an equally accessible place, away from...
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Electric Lighting Specifications

Earle Abbott Merrilol - 1896 - 213 стор.
...metal or other non-combustible frames. (SeeDefinitions). b. Must be placed on the switchboard, or at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. Class B. HIGH POTENTIAL SYSTEMS. OVEE 300 VOLTS....
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The National Electrical Code: An Analysis and Explanation of the ...

Richard Henry Pierce - 1896 - 222 стор.
...with metal or non-combustible frames, b. Must be placed on the switch board, or, if not thereon, at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS: — a. Must be attached...
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New Catechism of Electricity: A Practical Treatise

Nehemiah Hawkins - 1896 - 541 стор.
...non-combustible frames. (See Definitions.) b. Must be placed on the switchboard, or, if not thereon, at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS : a. Must be attached...
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Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1896 - 213 стор.
...combustible frames. (See Definitions). b. Must be placed on the switchboard, or, if not thereon, at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. 6. LIGHTNING ARRESTERS: — a. Must be attached...
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Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...be equipped with metal or other non-combustible frames. b. Must be placed on the switch-board, or at a distance of a foot from combustible material, or separated therefrom by a non-inflammable, non-absorptive, insulating material. [Section a. The word " frame " in this section...
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