 ... device is used, which cuts the difference of potential down to less than 300 volts. 10. OUTSIDE CONDUCTORS. All outside overhead conductors (including services) : — a. Must be covered with some approved insulating material, not easily abraded, firmly...  Bachelor's Theses - Сторінка 1181896Повний перегляд - Докладніше про цю книгу
 | Frank Eugene Kidder - 1892 - 1032 стор.
...(including services) : (a) Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...insulation equal to that of the conductors they confine. (6) Must be so placed that moisture cannot form a cross connection between them, not less than a foot... | |
 | Arthur Eugene Watson - 1892 - 118 стор.
...overhead wires must be covered with some material of high insulating power, not easily abraded, and they must be firmly secured to properly insulated and substantially built supports. All the wires must have an insulation equal to that of the conducting wires. 2 All joints must be so made... | |
 | Charles M. Davis - 1893 - 162 стор.
...(including services) — a. Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...insulation equal to that of the conductors they confine. b. Must be so placed that moisture cannot form a cross-connection between them, not less than a foot... | |
 | La Motte C. Atwood - 1893 - 180 стор.
...overhead wires must be covered with some material of high insulating power, not easily abraded, and they must be firmly secured to properly insulated and substantially built supports. All the wires must have an insulation equal to that of the conducting wires. 2. All joints must be so made... | |
 | 1894 - 620 стор.
...by Insurance Inspectors. CLASS 0. -ARC (SIHIIS) HYSTIMS. Outei<lf. Conductor«. All outside overhead conductors (including services) : 1. Must be covered...secured to properly insulated and substantially built supporta, all tie wires having an insulation equal to that of the conductors they confine. 8. Must... | |
 | Richard Henry Pierce - 1896 - 234 стор.
...(including services): a. Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...insulation equal to that of the conductors they confine. (See Definitions.) b. Must be so placed that moisture cannot form a crossconnection between them, not... | |
 | Nehemiah Hawkins - 1896 - 568 стор.
...(INCLUDING SERVICES) : a. Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...insulation equal to that of the conductors they confine, (See Definitions.) FIo. ra MICROMETER WIRB GI7AGS. WIRING RULES AND REQUIREMENTS. 6. Must be so placed... | |
 | Earle Abbott Merrill - 1896 - 222 стор.
...(including services) : — a. Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...insulation equal to that of the conductors they confine. (See Definitions). b. Must be so placed that moisture cannot form a cross connection between them,... | |
 | Earle Abbott Merrilol - 1896 - 232 стор.
...(including services) :— a. Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...insulation equal to that of the conductors they confine. (See Definitions). c. Must be at least seven feet above the highest point of flat roofs, and at least... | |
 | Nehemiah Hawkins - 1896 - 570 стор.
...(INCLUDING SERVICES) : a. Must be covered with some approved insulating material, not easily abraded, firmly secured to properly insulated and substantially...an insulation equal to that of the conductors they confine(See Definitions.) Fio. 170. MICROMETER WIRE GUAGE. WIRING RULES AND REQUIREMENTS. b. Must be... | |
| |
