Connection cable cores should occur exclusively in the special distribution boxes. If this box is in a humid environment, the tightness of the cover should be provided with hermetic seals. (And for diverting zagushek karobok open posting) Cable insulation should be completely intact and without the slightest damage to the entrance of the device (junction box, socket). Mount should be positioned close enough to each other, to prevent sagging cable. For horizontal laying the distance between the two closest to each other fastenings must not be greater than 40 cm, if the cable is not armored. And 75 cm for armored. The attachment points must be on both sides of the cable when the the direction of its fixtures and at the entrance of wiring accessories. If the direction of fixing the cable vertical support spacing shall not exceed 1 meter.
If necessary, pass through the wall, cable should be protected along the entire length insulating pipes. In cases where the cable is laid across the floor, protective tube should be slightly lifted above the floor level to prevent ingress of liquids into it and to protect the cable from mechanical damage if wiring is carried out open, the cable is often mounted on plinths, the lines, where cross the floor and ceiling, in corners of the room. When mounting do not compromise on fixing clamps, as fastened cable should be run absolutely straight and not buckle up. Laying of the suspended ceiling is strictly forbidden to lay them directly on the ceiling.