Cabin for determining the ease of ignition and the flame propagation properties of plastic materials in vertical and horizontal position. The apparatus meets the various requirements and with the aid of specimen holder kits, according to ASTM-ISO standards, it is suitable for carrying out the 5 UL tests. Stainless steel test cabinet, size about 1 cubic meter, safety glass doors with inputs for the manipulation of the specimens and accessories inside the cabin. Ignition with burner for methane gas according to ASTM D 5025.