Lines quick assembly, the frames designed to combine the strings of light, linear fluorescent T8 and T5, available in modules of varying lengths. They are designed for lighting of large commercial areas, eg. In supermarkets, warehouses, logistics centers, manufacturing plants or warehouses. Lighting design enables cost-effective solution to the lighting with the possibility of switching sections. This feature is particularly desirable in buildings, where the time of day or work required is different light intensity. An important feature of this group of fixtures is their quick and easy installation without the use of tools.