The CE conformity marking must consist of the initials “CE” taking the following form:

If the CE marking is reduced or enlarged according to the size of the equipment the proportions given in the above drawing must be respected. The various components of the CE marking must have substantially the same vertical dimensions which may not be less than 5 mm.

The indication of the guaranteed sound power level must consist of the single-number of the guaranteed sound power in dB, the sign L_WA and a pictogram taking the following form:

If the indication is reduced or enlarged according to the size of the equipment the proportions given in the above drawings must be respected. However, the vertical dimension of the indication should, if possible, not be less than 40mm.