Good quality IEC Test Equipment Supplier from China. Visit www.iectestingequipment.com for more information. The Single Cable Vertical Burning Test Device is designed and manufactured according to the standard requirement of IEC60332-1-1, IEC60332-1-2, IEC60332-1-3 and etc., which is used to do the vertical burning test of single cable or optical cable products, determine the combustion characteristics of insulating materials.