 | Francis Bacon Crocker - 1901 - 514 стор.
...objects. b. Each stranded conductor must have a carrying capacity equivalent to not less than a No. If B. & S. gauge wire. c. The covering of each stranded...proper, which shall be either waterproof or slowburning. 8. An outer cover of silk or cotton. The wind of cotton tends to prevent a broken strand puncturing... | |
 | Horatio Alvah Foster - 1901 - 1018 стор.
...in contact with surrounding objects ' not le^^nl^^^r SOTgrgSe\vTrVee aCa"yillg ^^ eQUiValent tO a. The covering of each stranded conductor must be made up as follows : 1. A tight, close wind of tine cotton. 2- Thbeuj."fullatio11 m'°Per> which shall be either waterproof or slow3. An outer cover... | |
 | Francis Bacon Crocker - 1901 - 528 стор.
...abrasion it will be subject to in the uses to which it is to be put. For portable heating apparatus : h. Must be made up as follows : — 1. A tight, close wind of fine cotton. 2. A thin layer of rubber about one-one-hundredth of an inch thick, or other cementing material. 3. A... | |
 | Harry Cooke Cushing - 1902 - 204 стор.
...For all portable apparatus such as small motors, heating apparatus, etc., the flexible cord should be made up as follows : 1. A tight, close wind of fine cotton. 2. /\ thin layer of rubber about one-one-hundredth of an inch thick, or other cementing material. 3. A... | |
 | Francis Bacon Crocker - 1906 - 530 стор.
...which under usual conditions hangs freely in air, and which is not likely to be moved sufficientiy to come in contact with surrounding objects. b. Each...proper, which shall be either waterproof or slowburning. 8. An outer cover of silk or cotton. The wind of cotton tends to prevent a broken strand puncturing... | |
 | Arthur Vaughan Abbott - 1907 - 852 стор.
...conductor must have a carrying capacity not less than No. 18 B. & S. c. Covering of each conductor must be as follows: 1. A tight close wind of fine cotton. 2. The insulation proper, which shall be waterproof. 3. An outer cover of silk or cotton. d. Insulation must be solid, A in. thick, show an... | |
 | Henry Charles Horstmann, Victor Hugo Tousley - 1908 - 352 стор.
...stranded conductor must have a carrying capacity equivalent to not less than a No. 18 B. & S. gage wire. c. The covering of each stranded conductor must...fine cotton. 2. The insulation proper, which shall be waterproof. 3. An outer cover of silk or cotton. The wind of cotton tends to prevent a broken strand... | |
 | Saint Paul (Minn.). - 1908 - 1260 стор.
...covering. b. Each stranded conductor to have a carrying capacity equivalent to not less than a No. 16 B. & S. gauge wire. c. The covering of each stranded conductor must be made up as follows: 2090. 1. A tight, close wind of fine cotton. 2091. 2. The insulation proper, which shall be either... | |
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... b. Each stranded conductor must have a carrying capacity equivalent to not less than a No. 18 B. & S. gauge wire. c. The covering of each stranded conductor must be made up as follows : 1. A tight, close wind of fine cotton. 2. The insulation proper,... 