* Incomplete or irregular product marking

The mark should contain important information that guides the user in the correct installation and use. Correctly marking the product's mark is one of the basic measures to ensure the user's personal and property safety. The mark must be durable and eye-catching. After normal use, the mark should not fall off and the content should be clean and readable. At least the following information should be included: the name, trademark or identification mark of the manufacturer or distributor; the model code or model specification; the nature of the led power supplies; the rated waterproof 300watt led power supply voltage range. If the information is not complete, the consumer cannot be correctly guided to use it, and some may even be misused and damage the electronic equipment connected to it. Common problems are no logo, no manufacturer name or trademark, model code or model specification, etc.

*Irregular power plug

Single-phase power plugs have two types of non-grounding and two-poles with grounding. The power plug should be able to prevent single-pole insertion during use, that is, when any plug of the plug is inserted into the live socket of the socket, the other plugs cannot be in easy Touch the state. In the spot check, it was found that the plug is too long, which increases the risk of electric shock for the user during the plugging process. In addition, it is more common for power plugs to have shapes that do not meet the requirements. Since these plugs do not match the sockets used, it is also very easy to cause electric shocks to users.

*Heating under normal working conditions does not meet the requirements

The function of the led power supply 24v 300w output is to convert the voltage. In the process of voltage conversion, some electrical energy needs to be consumed due to losses. After the electrical energy is converted into heat energy, part of the heat energy is dissipated to the surrounding environment through three heat dissipation methods: radiation, convection and conduction, and the other part of the heat energy is by itself Absorb, increase the temperature of the 24 v dc led power supply. The heat resistance law of insulating materials shows that when the internal temperature of the equipment rises to a certain temperature, it will cause the rapid aging of the insulating materials, shorten the test life of the product, and reduce the safety performance. Therefore, only when the temperature of the power adapter is controlled within an appropriate range during normal operation, can it be guaranteed to work safely and normally.