How to judge the good and bad of heavy-duty connectors

First, how to determine the quality of heavy-duty connectors?1. Note the manufacturer's brand, well-known manufacturers are generally medium-sized enterprises. These manufacturers are generally strictly enforced regulations to ensure product quality to a certain extent.2. Pay attention to the certificate provided by the manufacturer. The safety certificate of the product should include the name, address and telephone number of the manufacturer. China also has regulations on rated current. There are three levels. If you have the above standard certificate, you can rest assured of the quality of the product. 3, product specifications, after obtaining the manufacturer's certificate, select the main specifications of the corresponding product, and select the matching voltage and current. Rated current from large to small are plugs, power cords, cell phone sockets, appliances. Do not get confused. 4. Pay attention to the plug. The standard for plugs in China is a flat, two-stage or two-stage grounded plug. Plugs that are round should not be purchased. Second, heavy-duty connectors have many advantages: 1. Can be pre-installed. Circuits for large equipment are often numerous and complex. If they can be pre-installed, the wiring error rate can be reduced and the equipment can be completed more quickly. Installation.2. Heavy-duty connectors provide a rich combination of greater effective use of equipment space.3. Easy to connect, the equipment can be installed in a safe and convenient state and routine maintenance.4. Heavy-duty connectors can still work safely in bad weather, but also provide a safe environment for the equipment.

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