220v plug to 13 amps hot wire cutter. Wire cut EVA foam, polystrene, PVC plastics, PU foam, EPE foam and NBR foam (nitrile sponge). Switch off power supply when not in use. Ensure to use the correct nichrome 33 swg wire or 0.2mm as any other wires will overload transformer. Non adjustable heat. Use in well ventilated area. Spare nichrome wire for polystyrene cutter in pack of 5 pieces lengths of 22cm each.