1. Explosion -proof logo.

2. Basic signs: including product names, models, manufacturers, registered trademarks, factory date, etc.

3. Performance safety logo: including the rated voltage, current, nominal frequency, light source power and quantity, allowable environmental temperature (this range is only -20 ~+40 degrees Celsius) specific use environment signs A product of an explosive gas mixture) must be marked with the name or molecular formula of the combustible gas), and the classification signs (such as: numbers) of explosion -proof lamps. symbol

4. Explosion -proof certificate number, proves that the product has been officially inspected for the formal inspection station. Some products have the "×" symbol after the explosion -proof certificate number, which indicates that this product can only be used under certain special security conditions. The specified conditions should be clearly stated in the lamp shell or product manual.