 | Frank Eugene Kidder - 1892 - 1032 стор.
...Must be separated at least six inches. (6) Must be provided with an approved waterproof covering. (e) Must be carefully put up. (d) Must be supported by...partitions, timbers, etc., by waterproof, non-combustible, insulating tubes, such as glass or porcelain. 22. Interior Conduits : * (a) Must be continuous from... | |
 | Frank Eugene Kidder - 1892 - 1058 стор.
...(a) Must be separated at least six inches. (&) Must be provided with an approved waterproof covering. (c) Must be carefully put up. (d) Must be supported...gases or dust, or to flyings of combustible material. (a) Must be protected when passing through floors, walls, partitions, timbers, etc., by waterproof,... | |
 | Charles M. Davis - 1893 - 162 стор.
...a. Must be separated at least six inches. b. Must be provided with an approved waterproof covering. c. Must be carefully put up. d. Must be supported...partitions, timbers, etc., by waterproof, non.combustible, insulating tubes, such as glass or porcelain. 22. INTERIOR CONDUITS*— a. Must be continuous from... | |
 | George H. Kimber - 1896 - 80 стор.
...mile after two weeks' submersion in water at 70 deg. Fahr. and three days' submersion in lime water, with a current of 550 volts, after three minutes'...supported by glass or porcelain insulators. No switches, key sockets or fusible cut-outs will be allowed where exposed to inflammable gases or dust, or to flyings... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...at least six inches. b. Must be provided with an approved water-proof covering. (See Definitions.) c. Must be carefully put up. d. Must be supported...partitions, timbers, etc., by water-proof, non-combustible, insulating tubes, such as glass or porcelain. 22. INTERIOR CONDUITS* : (See Definitions.) a. Must be... | |
 | Earle Abbott Merrill - 1896 - 232 стор.
...'separated at least six inches. b. Must be provided with an approved waterproof covering. (See Definitions). c. Must be carefully put up. d. Must be supported...partitions, timbers, etc., by waterproof, non-combustible, insulating tubes, such as glass or porcelain. 22. INTERIOR CONDUITS*: — (See Definitions). a. Must... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...at least six inches, b. Must be provided with an approved water-proof covering. (See Definitions.) c. Must be carefully put up. d Must be supported by...through floors, walls, partitions, timbers, etc., by water- proof, non-combustible, insulating tubes, such as glass or porcelain. DEFINITIONS. RULE 21.... | |
 | Earle Abbott Merrilol - 1896 - 232 стор.
...provided with an approved waterproof covering. (See Definitions). c. Must be carefully put up. celain insulators. No switches or fusible cut-outs will be...partitions, timbers, etc., by waterproof, non-combustible, insulating tubes, such as glass or porcelain. 22. INTERIOR CONDUITS*:—(See • Definitions). a. Must... | |
 | Nehemiah Hawkins - 1896 - 570 стор.
...at least six inches. b. Must be provided with an approved water-proof covering. (See Definitions.) c. Must be carefully put up. d. Must be supported by glass or porcelain insulators. Nc switches or fusible cut-outs will be allowed where exposed to inflammable gases or dust, or to flyings... | |
 | American Institute of Electrical Engineers - 1897 - 710 стор.
...switch or circuit breaker. b. Must not be placed in the immediate vicinity of easily ignitable stuff or where exposed to inflammable gases or dust or to flyings of combustible material. c. Must, when exposed to dampness, either be inclosed in a waterproof box or mounted on porcelain knobs.... | |
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... b. Must not be placed in the immediate vicinity of easily ignitible stuff or where exposed to inflammable gases or dust or to flyings of combustible material. 
