The device in accordance with the relevant provisions of international standards for design and manufacturing. Of UL94 for electrical equipment and test the flammability of plastic parts plastic parts and as a judge in a specific purpose, its flammability is prima facie evidence of compliance. To assess and plastic products, plastic materials, combustion characteristics; can be 6 Test materials: Materials classified as 94HB of the horizontal burning test, 94V-0, 94V-1, 94V-2 ,94-5VA ,94-5VB vertical burning test.