Lamps should be clearly and permanently marked with the following items in a conspicuous position:

⑴Lamp model.

⑵ Indicate the rated voltage or rated voltage range of the lamp in volts (V). Except the rated voltage is only 250V.

⑶Power supply type symbol.

⑷Indicate the rated frequency or rated frequency range of the lamp in Hertz (Hz).

⑸ Indicate the rated power of the lamp light source or the maximum rated power of several light sources in wattage (W).

⑹Where suitable for Class II lamps, the corresponding symbols shall be marked.

⑺Where suitable for III lamps, mark the corresponding symbols.

⑻Lamps should be dust-proof and moisture-proof. The classification symbol for the protection level of the moisture-proof enclosure is only marked when required.

⑼Lamp manufacturer name or trademark.

The height of the icon symbol (excluding letters and numbers) should not be less than 5mm.