Basic marks: including product name, model, manufacturer's name, registered trademark, delivery date, etc
Performance safety sign: include rated voltage, current, nominal frequency, the power of light source and quantity, allowed temperature range (the only - 20 ~ + 40 ℃ is not standard), the application of the specific environment mark (such as applicable to only a certain kind of explosive gas mixture products, shall indicate the name of the combustible gas or formula), the classification of lamps and lanterns marks (such as "number), etc.
The number of explosion-proof certificate certifies that the product has passed the official inspection of explosion-proof inspection station. Some products are marked with "x" after the number of the explosion-proof certificate, indicating that the product can only be used under certain special safe conditions, which shall be clearly marked in the lamp shell or the product specification.
Additional notes. In addition to the above marks, the detailed instructions necessary for proper installation, use and maintenance shall be given on the lamps, on the built-in ballasts or in the manufacturer's product specification provided with the lamps.