 | National Electric Light Association. Convention - 1892 - 458 стор.
...soldering fluid is approved : Saturated Solution of Zinc 5 parts. Alcohol 4 parts. Glycerine i part. .«b1 Conductors should not be run over or attached to buildings...least two coats of waterproof paint and so maintained. WIRES FOR HIGH AND Low POTENTIAL circuits should not occupy the same support. TELEGRAPH, TELEPHONE... | |
 | Frank Eugene Kidder - 1892 - 1032 стор.
...preservation, and covered with an insulation equal to that on the conductors. 11. Service Blocks : (a) Must be covered over their entire surface with at least two coats of waterproof paint. (6) Telegraph, telephone, and similar wires must not be placed on the same cross-arm with electric... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...preservation, and covered with an insulation equal to that on the conductors. 11. Service Blocks : (a) Must lie covered over their entire surface with at least two coats of waterproof paint. (b) Telegraph, telephone, and similar wires must not be placed on the same cross-arm with electric... | |
 | Charles M. Davis - 1893 - 162 стор.
...preservation, and covered with an insulation equal to that on the conductors. it. SERVICE BLOCKS a. Must be covered over their entire surface with at least two coats of waterproof paint. b. Telegraph.telephone, and similar wires must not be placed on the same cross-arm with electric light... | |
 | 1894 - 622 стор.
...being, or Is to be, used, bub on separate poles or structures always easily Inspected. Service Blockt. Must be covered over their entire surface with at least two coats of waterргооГ paint and so maintained. Telegraph, telephone and similar wires must not be placed... | |
 | Arthur Vaughan Abbott - 1895 - 646 стор.
...power is being, or is to be, used, but on separate poles or structure always easily inspected. 125. SERVICE BLOCKS. Must be covered over their entire...telephone, and similar wires must not be placed on the same an with electric light or power wires, and should not be placed on the same structuri or pole. 126.... | |
 | Earle Abbott Merrilol - 1896 - 232 стор.
...equal to that on the conductors. (See Definitions). cross-arm with electric light or power wires. 11. SERVICE BLOCKS:— Must be covered over their entire...surface with at least two coats of waterproof paint. INTERIOR CONDUCTORS. 12. ALL INTERIOR CONDUCTORS:— a. Must be covered where they enter buildings... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...telephone and similar wires must not be placed on the same cross-arm with electric light or power wires. n. SERVICE BLOCKS : Must be covered over their entire...surface with at least two coats of waterproof paint. 12. Au, INTERIOR CONDUCTORS : a. Must be covered where they enter buildings from outside terminal insulators... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...telephone and similar wires must not be placed on the same crossarm with electric light or power wires. 11. SERVICE BLOCKS: — Must be covered over their entire surface with at least two coats of water proof paint. 12. INTERIOR CONDUCTORS. All Interior Conductors : — a. Must be covered where... | |
 | Russell Robb - 1896 - 208 стор.
...wires must not be placed on the same cross-arm with electric light or power wires. 11. Service-blocks : Must be covered over their entire surface with at least two coats of waterproof paint. FIB. 28 Fia. 32 Fio. i FIG. 28. — Showing Guard-iron. FIG. 29. — Petticoat Insulator. Fio. 30.... | |
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Must be so placed that moisture cannot form a cross connection between them, not less than a foot apart, and not in contact with any substance other than their insulating supports. 
