Should be at least

The distance between the stoiled turns of the cable should be less than 8 centimeters. The ends of the cable should be well fixed by bent around it the protruding reeds of the mounting tape. Cable bends must be made smooth without tension and breaks. The distance between the cable and the wall should be at least 5 cm. completely around the entire perimeter of the room. By the way, the MTD cultivator is now very popular now. It is usually bought in a trusted store.