Thermoforming process in which suction (vacuum) is used to draw a heated sheet of plastic against the moulding surface.
The VDE symbol is a mark of conformity awarded by the German test and certification institute VDE – Technisch Wissenschaftlichen Verbandes der Elektrotechnik Elektronik Informationstechnik e.V.. It shows that an electrical product meets the standard safety requirements for protection against electrical, mechanical, thermic and other hazards.
The VDE also awards the European safety test symbol ENEC. The national and identification number of the VDE is "10".