How is the embedded box, weak box and wire tube embedded in the shear wall? Thank you for pointing
Cut the wall within the junction box, weak box and the tube of the embedded method: put the line after the release of the box, such as switch requirements from the ground 130CM, 15-20CM from the door, you can put the line to accurately install. There are fixed when the box to be tied to the steel, where the special attention to the box must be tied to the positive, to prevent the template when you turn the box, of course, the box to put sawdust, it is best to wet, And the more the better, so when you find the box is easier. Sometimes the template and your box get together far away, the concrete is easy to cover your inside the box, you'd better just put the template, not playing the concrete when the brush is on the box with the template on the upper layer of red paint , So when looking for a place to open a red paint on it.
U0 / U, U0 refers to the cable conductor to ground or metal shield between the rated voltage, U refers to the cable rated line voltage. 8.7 / 10kv means that the cable wire to ground or shield the rated voltage of 8.7KV, the cable between the rated voltage of 10KV. See GB-2006 on the 59 pages, the table bet 1 explanation. In other words, the front is single-phase power / behind the three-phase insulation voltage level.
Such as 36 volts, 60 watts of the line of light each current is 006 * 27 = 16 Ann, 5 only a total of 8 Ann
You may have a set-top box of the av line (red and white yellow audio and video cable, with the dvd) into the TV's color interface. Check this line, it should be inserted into the corresponding TV audio and video input interface, the color to correspond. Carefully check the instructions. If still invalid, please check the TV and set-top box format is pal system. There are still problems, playing digital TV customer service phone to find professionals home repair