12. 30. The stakes across the line. Electric power distribution on the air or the above my head will live. Connect by wires together or called by convection. Generally take it on. Electric pole in order to safety of life and property. Due to the high voltage. However, the selection of ตำา position at stake to consider, to suit the various factors are the image areas. The canal in practice. The memory is necessary to install line.13. 31. Embroidered columns. Before it is made the stakes to the survey area source, until the destination for the กำา schedule. While the stake includes a number of materials for all to use, which will be the deciding plan the manpower and machinery. Work continues, the stakes of the dig holes and stakes.14. 32. Dig holes, width of the hole must not be misled or great, too. สำา for the deep pole to pin down in the hole shall be in accordance with the standards. กำา set if the area is. Subsoil or stone at the base of the pillar to concrete mixture. Cement sand ratio on the stone were 1: 3: 5 the words to the pillars in at least 7 days for the concrete hardens, size, pillar (meters) deep in the soil plant (m) level voltage (volts), soft clay, hard soil, thus, medium, clay, hard rock 8 1.50 1.30 1.10 1.00 220 / 380 9 1.50 1.30 1.10 1.00 220 / 380 10 1.70 1.50 1.30 1.00 220 / 380 12 2.00 1.80 1.60 1.20 11-22 kV 14 2.30 2.00 1.70 1.70 11-12 kV.15. 33. The distance between the poles. สำา for distribution system จำา high-voltage distribution system - จำา construction in the city ระยะเสา 40 meters. System construction of town - จำา distribution phase pole does not exceed 100 meters, depending on the suitability of the page - system construction through the village จำา distribution phase, and column 40 80 100 meters. Depending on the density of the community - จำา leaning with cable distribution system air.16. 34. The distance between the poles. สำา for low voltage distribution system จำา - low voltage distribution system จำา construction in the city and outside the city, the distance between the 40-50 meters. In the case of the high-voltage pole pitch Sam 100 meters - the distance between the antenna can be changed according to the environment - phase during the pole over 120 meters. To use a pole pairs.17. 35. By convection. สำา for convection - line between the first electric pole stalk. Finally in each area will be praised.
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